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22131014111 = 312151115241
BaseRepresentation
bin10100100111000111…
…000111100111011111
32010010100102000001022
4110213013013213133
5330311014422421
614100012234355
71412266342013
oct244707074737
963110360038
1022131014111
119427420508
12435776b9bb
13211903422b
1410dd326543
15897dac7ab
hex5271c79df

22131014111 has 12 divisors (see below), whose sum is σ = 22884582672. Its totient is φ = 21401532000.

The previous prime is 22131014099. The next prime is 22131014117. The reversal of 22131014111 is 11141013122.

It is not a de Polignac number, because 22131014111 - 222 = 22126819807 is a prime.

It is a super-2 number, since 2×221310141112 (a number of 21 digits) contains 22 as substring.

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 22131014111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131014117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1444451 + ... + 1459691.

It is an arithmetic number, because the mean of its divisors is an integer number (1907048556).

Almost surely, 222131014111 is an apocalyptic number.

22131014111 is a deficient number, since it is larger than the sum of its proper divisors (753568561).

22131014111 is a wasteful number, since it uses less digits than its factorization.

22131014111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16814 (or 16783 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 22131014111 its reverse (11141013122), we get a palindrome (33272027233).

The spelling of 22131014111 in words is "twenty-two billion, one hundred thirty-one million, fourteen thousand, one hundred eleven".

Divisors: 1 31 961 1511 15241 46841 472471 1452071 14646601 23029151 713903681 22131014111