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22102212020111 = 283401632930773
BaseRepresentation
bin1010000011010000100100…
…11111110000011110001111
32220020221200011020222000022
411001220102133300132033
510344110312234120421
6115001341021252355
74440555263246456
oct501502237603617
986227604228008
1022102212020111
11705154a533413
12258b6821040bb
13c442ca707382
14565a77857b9d
15284de13917ab
hex141a127f078f

22102212020111 has 16 divisors (see below), whose sum is σ = 22239860182560. Its totient is φ = 21965004364800.

The previous prime is 22102212020087. The next prime is 22102212020123. The reversal of 22102212020111 is 11102021220122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22102212020111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22102212020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102212020171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718218521 + ... + 718249293.

It is an arithmetic number, because the mean of its divisors is an integer number (1389991261410).

Almost surely, 222102212020111 is an apocalyptic number.

22102212020111 is a deficient number, since it is larger than the sum of its proper divisors (137648162449).

22102212020111 is a wasteful number, since it uses less digits than its factorization.

22102212020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37786.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22102212020111 its reverse (11102021220122), we get a palindrome (33204233240233).

The spelling of 22102212020111 in words is "twenty-two trillion, one hundred two billion, two hundred twelve million, twenty thousand, one hundred eleven".

Divisors: 1 283 401 6329 30773 113483 1791107 2537929 8708759 12339973 194762317 718233907 3492212359 55117735711 78099689117 22102212020111