22110212131 has 6 divisors (see below), whose sum is σ = 25720042740. Its totient is φ = 18951610356.

The previous prime is 22110212123. The next prime is 22110212213. The reversal of 22110212131 is 13121201122.

It is not a de Polignac number, because 22110212131 - 2³ = 22110212123 is a prime.

It is a super-2 number, since 2×22110212131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22110212231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225614361 + ... + 225614458.

It is an arithmetic number, because the mean of its divisors is an integer number (4286673790).

Almost surely, 2^22110212131 is an apocalyptic number.

22110212131 is a deficient number, since it is larger than the sum of its proper divisors (3609830609).

22110212131 is an equidigital number, since it uses as much as digits as its factorization.

22110212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451228833 (or 451228826 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22110212131 its reverse (13121201122), we get a palindrome (35231413253).

The spelling of 22110212131 in words is "twenty-two billion, one hundred ten million, two hundred twelve thousand, one hundred thirty-one".