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22120212011010 = 2351961636186713
BaseRepresentation
bin1010000011110010000110…
…11000010001100000000010
32220022200010121102020112220
411001321003120101200002
510344404143233323020
6115013515103431510
74442063321533161
oct501710330214002
986280117366486
1022120212011010
117059147009a53
1225930662b5596
13c45c08933769
145668a42813d8
152855e6747240
hex141e43611802

22120212011010 has 64 divisors (see below), whose sum is σ = 56798749825920. Its totient is φ = 5496653191680.

The previous prime is 22120212011003. The next prime is 22120212011099. The reversal of 22120212011010 is 1011021202122.

It is a super-2 number, since 2×221202120110102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318058587 + ... + 318128126.

It is an arithmetic number, because the mean of its divisors is an integer number (887480466030).

Almost surely, 222120212011010 is an apocalyptic number.

22120212011010 is an abundant number, since it is smaller than the sum of its proper divisors (34678537814910).

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

22120212011010 is a wasteful number, since it uses less digits than its factorization.

22120212011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636186803.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22120212011010 its reverse (1011021202122), we get a palindrome (23131233213132).

The spelling of 22120212011010 in words is "twenty-two trillion, one hundred twenty billion, two hundred twelve million, eleven thousand, ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 61 95 114 122 183 190 285 305 366 570 610 915 1159 1830 2318 3477 5795 6954 11590 17385 34770 636186713 1272373426 1908560139 3180933565 3817120278 6361867130 9542800695 12087547547 19085601390 24175095094 36262642641 38807389493 60437737735 72525285282 77614778986 116422168479 120875475470 181313213205 194036947465 232844336958 362626426410 388073894930 582110842395 737340400367 1164221684790 1474680800734 2212021201101 3686702001835 4424042402202 7373404003670 11060106005505 22120212011010