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22131110122111 = 178771484412779
BaseRepresentation
bin1010000100000110011001…
…11101010001001001111111
32220100201021010010122111101
411002003030331101021333
510400044003142401421
6115022520332033531
74442630353125634
oct502031475211177
986321233118441
1022131110122111
117062829786141
1225951a80028a7
13c46c54705903
145672197cc18b
15285a333ac191
hex1420ccf5127f

22131110122111 has 8 divisors (see below), whose sum is σ = 23459659575120. Its totient is φ = 20805529496448.

The previous prime is 22131110122081. The next prime is 22131110122139. The reversal of 22131110122111 is 11122101113122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22131110122111 - 215 = 22131110089343 is a prime.

It is a super-2 number, since 2×221311101221112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131110122171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742191481 + ... + 742221298.

It is an arithmetic number, because the mean of its divisors is an integer number (2932457446890).

Almost surely, 222131110122111 is an apocalyptic number.

22131110122111 is a deficient number, since it is larger than the sum of its proper divisors (1328549453009).

22131110122111 is a wasteful number, since it uses less digits than its factorization.

22131110122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484413673.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 22131110122111 its reverse (11122101113122), we get a palindrome (33253211235233).

The spelling of 22131110122111 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred ten million, one hundred twenty-two thousand, one hundred eleven".

Divisors: 1 17 877 14909 1484412779 25235017243 1301830007183 22131110122111