22130121031 has 2 divisors, whose sum is σ = 22130121032. Its totient is φ = 22130121030.

The previous prime is 22130120993. The next prime is 22130121037. The reversal of 22130121031 is 13012103122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22130121031 - 2¹⁵ = 22130088263 is a prime.

It is a super-2 number, since 2×22130121031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22130120996 and 22130121014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22130121037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065060515 + 11065060516.

It is an arithmetic number, because the mean of its divisors is an integer number (11065060516).

Almost surely, 2^22130121031 is an apocalyptic number.

22130121031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22130121031 is an equidigital number, since it uses as much as digits as its factorization.

22130121031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22130121031 its reverse (13012103122), we get a palindrome (35142224153).

It can be divided in two parts, 22 and 130121031, that multiplied together give a palindrome (2862662682).

The spelling of 22130121031 in words is "twenty-two billion, one hundred thirty million, one hundred twenty-one thousand, thirty-one".