23212131102 has 24 divisors (see below), whose sum is σ = 50518488384. Its totient is φ = 7702678944.

The previous prime is 23212131097. The next prime is 23212131161. The reversal of 23212131102 is 20113121232.

23212131102 is a `hidden beast` number, since 232 + 121 + 311 + 0 + 2 = 666.

It is a super-5 number, since 5×23212131102⁵ (a number of 53 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2887383 + ... + 2895410.

It is an arithmetic number, because the mean of its divisors is an integer number (2104937016).

Almost surely, 2^23212131102 is an apocalyptic number.

23212131102 is an abundant number, since it is smaller than the sum of its proper divisors (27306357282).

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

23212131102 is a wasteful number, since it uses less digits than its factorization.

23212131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783024 (or 5783021 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23212131102 its reverse (20113121232), we get a palindrome (43325252334).

The spelling of 23212131102 in words is "twenty-three billion, two hundred twelve million, one hundred thirty-one thousand, one hundred two".