12311022101 has 12 divisors (see below), whose sum is σ = 14336826048. Its totient is φ = 10540632312.

The previous prime is 12311022049. The next prime is 12311022103. The reversal of 12311022101 is 10122011321.

It is not a de Polignac number, because 12311022101 - 2⁶ = 12311022037 is a prime.

It is a super-2 number, since 2×12311022101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311022103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94061 + ... + 182946.

It is an arithmetic number, because the mean of its divisors is an integer number (1194735504).

Almost surely, 2^12311022101 is an apocalyptic number.

It is an amenable number.

12311022101 is a deficient number, since it is larger than the sum of its proper divisors (2025803947).

12311022101 is an equidigital number, since it uses as much as digits as its factorization.

12311022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277928 (or 277921 counting only the distinct ones).

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

Adding to 12311022101 its reverse (10122011321), we get a palindrome (22433033422).

The spelling of 12311022101 in words is "twelve billion, three hundred eleven million, twenty-two thousand, one hundred one".