22122123031 has 2 divisors, whose sum is σ = 22122123032. Its totient is φ = 22122123030.

The previous prime is 22122123017. The next prime is 22122123053. The reversal of 22122123031 is 13032122122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22122123031 - 2⁵ = 22122122999 is a prime.

It is a super-2 number, since 2×22122123031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122123071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061061515 + 11061061516.

It is an arithmetic number, because the mean of its divisors is an integer number (11061061516).

Almost surely, 2^22122123031 is an apocalyptic number.

22122123031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122123031 is an equidigital number, since it uses as much as digits as its factorization.

22122123031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22122123031 its reverse (13032122122), we get a palindrome (35154245153).

Subtracting from 22122123031 its reverse (13032122122), we obtain a palindrome (9090000909).

The spelling of 22122123031 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-three thousand, thirty-one".