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11012220210 = 23531157199379
BaseRepresentation
bin10100100000110000…
…10010010100110010
31001102110102202012210
422100120102110302
5140023112021320
65020422032550
7536615220165
oct122030222462
931373382183
1011012220210
114741125042
122173b78756
131066615944
14766771adc
15446ba50e0
hex290612532

11012220210 has 128 divisors (see below), whose sum is σ = 27666432000. Its totient is φ = 2802159360.

The previous prime is 11012220161. The next prime is 11012220211. The reversal of 11012220210 is 1202221011.

It is not an unprimeable number, because it can be changed into a prime (11012220211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29055801 + ... + 29056179.

It is an arithmetic number, because the mean of its divisors is an integer number (216144000).

Almost surely, 211012220210 is an apocalyptic number.

11012220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11012220210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13833216000).

11012220210 is an abundant number, since it is smaller than the sum of its proper divisors (16654211790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11012220210 is a wasteful number, since it uses less digits than its factorization.

11012220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11012220210 its reverse (1202221011), we get a palindrome (12214441221).

The spelling of 11012220210 in words is "eleven billion, twelve million, two hundred twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 157 186 199 310 314 379 398 465 471 597 758 785 930 942 995 1137 1194 1570 1895 1990 2274 2355 2985 3790 4710 4867 5685 5970 6169 9734 11370 11749 12338 14601 18507 23498 24335 29202 30845 31243 35247 37014 48670 58745 59503 61690 62486 70494 73005 75421 92535 93729 117490 119006 146010 150842 156215 176235 178509 185070 187458 226263 297515 312430 352470 357018 377105 452526 468645 595030 754210 892545 937290 968533 1131315 1785090 1844593 1937066 2262630 2338051 2905599 3689186 4676102 4842665 5533779 5811198 7014153 9222965 9685330 11067558 11690255 11841097 14028306 14527995 18445930 23380510 23682194 27668895 29055990 35070765 35523291 55337790 59205485 70141530 71046582 118410970 177616455 355232910 367074007 734148014 1101222021 1835370035 2202444042 3670740070 5506110105 11012220210