23111120110 has 48 divisors (see below), whose sum is σ = 45896277024. Its totient is φ = 8372297856.

The previous prime is 23111120063. The next prime is 23111120113. The reversal of 23111120110 is 1102111132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111120113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39442 + ... + 218581.

It is an arithmetic number, because the mean of its divisors is an integer number (956172438).

Almost surely, 2^23111120110 is an apocalyptic number.

23111120110 is a deficient number, since it is larger than the sum of its proper divisors (22785156914).

23111120110 is a wasteful number, since it uses less digits than its factorization.

23111120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258109 (or 258096 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 23111120110 its reverse (1102111132), we get a palindrome (24213231242).

The spelling of 23111120110 in words is "twenty-three billion, one hundred eleven million, one hundred twenty thousand, one hundred ten".