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22112312101 = 112182746381
BaseRepresentation
bin10100100101111111…
…110001101100100101
32010002001012211201021
4110211333301230211
5330241222441401
614054103331141
71411651360135
oct244577615445
963061184637
1022112312101
119417907400
124351450ab1
1321151b6859
1410daa58ac5
158964162a1
hex525ff1b25

22112312101 has 6 divisors (see below), whose sum is σ = 24305268806. Its totient is φ = 20102101800.

The previous prime is 22112312099. The next prime is 22112312147. The reversal of 22112312101 is 10121321122.

It can be written as a sum of positive squares in only one way, i.e., 21432667201 + 679644900 = 146399^2 + 26070^2 .

It is not a de Polignac number, because 22112312101 - 21 = 22112312099 is a prime.

It is a super-3 number, since 3×221123121013 (a number of 32 digits) contains 333 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 (22112312501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91373070 + ... + 91373311.

Almost surely, 222112312101 is an apocalyptic number.

It is an amenable number.

22112312101 is a deficient number, since it is larger than the sum of its proper divisors (2192956705).

22112312101 is a wasteful number, since it uses less digits than its factorization.

22112312101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182746403 (or 182746392 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22112312101 its reverse (10121321122), we get a palindrome (32233633223).

The spelling of 22112312101 in words is "twenty-two billion, one hundred twelve million, three hundred twelve thousand, one hundred one".

Divisors: 1 11 121 182746381 2010210191 22112312101