23111210212 has 48 divisors (see below), whose sum is σ = 41535470592. Its totient is φ = 11248791840.

The previous prime is 23111210209. The next prime is 23111210251. The reversal of 23111210212 is 21201211132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9232153 + ... + 9234655.

It is an arithmetic number, because the mean of its divisors is an integer number (865322304).

Almost surely, 2^23111210212 is an apocalyptic number.

It is an amenable number.

23111210212 is a deficient number, since it is larger than the sum of its proper divisors (18424260380).

23111210212 is a wasteful number, since it uses less digits than its factorization.

23111210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968 (or 2966 counting only the distinct ones).

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

Adding to 23111210212 its reverse (21201211132), we get a palindrome (44312421344).

The spelling of 23111210212 in words is "twenty-three billion, one hundred eleven million, two hundred ten thousand, two hundred twelve".