23100111212 has 6 divisors (see below), whose sum is σ = 40425194628. Its totient is φ = 11550055604.

The previous prime is 23100111197. The next prime is 23100111217. The reversal of 23100111212 is 21211100132.

It is not an unprimeable number, because it can be changed into a prime (23100111217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2887513898 + ... + 2887513905.

It is an arithmetic number, because the mean of its divisors is an integer number (6737532438).

Almost surely, 2^23100111212 is an apocalyptic number.

It is an amenable number.

23100111212 is a deficient number, since it is larger than the sum of its proper divisors (17325083416).

23100111212 is a wasteful number, since it uses less digits than its factorization.

23100111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775027807 (or 5775027805 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23100111212 its reverse (21211100132), we get a palindrome (44311211344).

The spelling of 23100111212 in words is "twenty-three billion, one hundred million, one hundred eleven thousand, two hundred twelve".