23211202112 has 28 divisors (see below), whose sum is σ = 52639691520. Its totient is φ = 9947657856.

The previous prime is 23211202103. The next prime is 23211202153. The reversal of 23211202112 is 21120211232.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×23211202112² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25904912 + ... + 25905807.

Almost surely, 2^23211202112 is an apocalyptic number.

It is an amenable number.

23211202112 is an abundant number, since it is smaller than the sum of its proper divisors (29428489408).

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

23211202112 is an equidigital number, since it uses as much as digits as its factorization.

23211202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51810738 (or 51810728 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 23211202112 its reverse (21120211232), we get a palindrome (44331413344).

It can be divided in two parts, 2321120 and 2112, that added together give a palindrome (2323232).

The spelling of 23211202112 in words is "twenty-three billion, two hundred eleven million, two hundred two thousand, one hundred twelve".