12311102022 has 32 divisors (see below), whose sum is σ = 25939595520. Its totient is φ = 3884493600.

The previous prime is 12311101963. The next prime is 12311102053. The reversal of 12311102022 is 22020111321.

It is a junction number, because it is equal to n+sod(n) for n = 12311101992 and 12311102010.

It is a congruent number.

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, 95272 + ... + 183572.

It is an arithmetic number, because the mean of its divisors is an integer number (810612360).

Almost surely, 2^12311102022 is an apocalyptic number.

12311102022 is an abundant number, since it is smaller than the sum of its proper divisors (13628493498).

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

12311102022 is a wasteful number, since it uses less digits than its factorization.

12311102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89548.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12311102022 its reverse (22020111321), we get a palindrome (34331213343).

The spelling of 12311102022 in words is "twelve billion, three hundred eleven million, one hundred two thousand, twenty-two".