23112221122210 has 128 divisors (see below), whose sum is σ = 46816977715200. Its totient is φ = 8142503443200.

The previous prime is 23112221122183. The next prime is 23112221122231. The reversal of 23112221122210 is 1222112221132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 315260419 + ... + 315333721.

It is an arithmetic number, because the mean of its divisors is an integer number (365757638400).

Almost surely, 2^{23112221122210} is an apocalyptic number.

23112221122210 is an abundant number, since it is smaller than the sum of its proper divisors (23704756592990).

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

23112221122210 is a wasteful number, since it uses less digits than its factorization.

23112221122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73904.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 23112221122210 its reverse (1222112221132), we get a palindrome (24334333343342).

The spelling of 23112221122210 in words is "twenty-three trillion, one hundred twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".