23012102111 has 16 divisors (see below), whose sum is σ = 24654460800. Its totient is φ = 21413484000.

The previous prime is 23012102107. The next prime is 23012102147. The reversal of 23012102111 is 11120121032.

It is a cyclic number.

It is not a de Polignac number, because 23012102111 - 2² = 23012102107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012105111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439261 + ... + 1455161.

It is an arithmetic number, because the mean of its divisors is an integer number (1540903800).

Almost surely, 2^23012102111 is an apocalyptic number.

23012102111 is a deficient number, since it is larger than the sum of its proper divisors (1642358689).

23012102111 is a wasteful number, since it uses less digits than its factorization.

23012102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17270.

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

Adding to 23012102111 its reverse (11120121032), we get a palindrome (34132223143).

It can be divided in two parts, 230121021 and 11, that added together give a palindrome (230121032).

The spelling of 23012102111 in words is "twenty-three billion, twelve million, one hundred two thousand, one hundred eleven".