23311122102 has 24 divisors (see below), whose sum is σ = 50542980384. Its totient is φ = 7764904944.

The previous prime is 23311122091. The next prime is 23311122139. The reversal of 23311122102 is 20122111332.

It is a super-3 number, since 3×23311122102³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429433 + ... + 480660.

It is an arithmetic number, because the mean of its divisors is an integer number (2105957516).

Almost surely, 2^23311122102 is an apocalyptic number.

23311122102 is an abundant number, since it is smaller than the sum of its proper divisors (27231858282).

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

23311122102 is a wasteful number, since it uses less digits than its factorization.

23311122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911524 (or 911521 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23311122102 its reverse (20122111332), we get a palindrome (43433233434).

The spelling of 23311122102 in words is "twenty-three billion, three hundred eleven million, one hundred twenty-two thousand, one hundred two".