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1222110020110 = 257791931145059
BaseRepresentation
bin10001110010001011011…
…011110000001000001110
311022211110221121111200011
4101302023123300020032
5130010340131120420
62333232443023434
7154203011526040
oct21621333601016
94284427544604
101222110020110
11431326278491
12178a2a20ab7a
138b32417b245
1443216b47a90
1521bcacec95a
hex11c8b6f020e

1222110020110 has 64 divisors (see below), whose sum is σ = 2559071692800. Its totient is φ = 411561326592.

The previous prime is 1222110020107. The next prime is 1222110020119. The reversal of 1222110020110 is 110200112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222110020119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494761 + ... + 1639819.

It is an arithmetic number, because the mean of its divisors is an integer number (39985495200).

Almost surely, 21222110020110 is an apocalyptic number.

1222110020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222110020110 is an abundant number, since it is smaller than the sum of its proper divisors (1336961672690).

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

1222110020110 is a wasteful number, since it uses less digits than its factorization.

1222110020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145345.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1222110020110 its reverse (110200112221), we get a palindrome (1332310132331).

The spelling of 1222110020110 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, twenty thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 79 158 193 386 395 553 790 965 1106 1351 1930 2702 2765 5530 6755 13510 15247 30494 76235 106729 152470 213458 533645 1067290 1145059 2290118 5725295 8015413 11450590 16030826 40077065 80154130 90459661 180919322 220996387 441992774 452298305 633217627 904596610 1104981935 1266435254 1546974709 2209963870 3093949418 3166088135 6332176270 7734873545 15469747090 17458714573 34917429146 87293572865 122211002011 174587145730 244422004022 611055010055 1222110020110