23211221110 has 48 divisors (see below), whose sum is σ = 53019781200. Its totient is φ = 7234664640.

The previous prime is 23211221107. The next prime is 23211221129. The reversal of 23211221110 is 1112211232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2147785 + ... + 2158564.

It is an arithmetic number, because the mean of its divisors is an integer number (1104578775).

Almost surely, 2^23211221110 is an apocalyptic number.

23211221110 is an abundant number, since it is smaller than the sum of its proper divisors (29808560090).

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

23211221110 is a wasteful number, since it uses less digits than its factorization.

23211221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306381 (or 4306374 counting only the distinct ones).

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

Adding to 23211221110 its reverse (1112211232), we get a palindrome (24323432342).

It can be divided in two parts, 2321122 and 1110, that added together give a palindrome (2322232).

The spelling of 23211221110 in words is "twenty-three billion, two hundred eleven million, two hundred twenty-one thousand, one hundred ten".