22222121120131 has 2 divisors, whose sum is σ = 22222121120132. Its totient is φ = 22222121120130.

The previous prime is 22222121120099. The next prime is 22222121120137. The reversal of 22222121120131 is 13102112122222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22222121120131 - 2⁵ = 22222121120099 is a prime.

It is a super-2 number, since 2×22222121120131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22222121120137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111060560065 + 11111060560066.

It is an arithmetic number, because the mean of its divisors is an integer number (11111060560066).

Almost surely, 2^{22222121120131} is an apocalyptic number.

22222121120131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222121120131 is an equidigital number, since it uses as much as digits as its factorization.

22222121120131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22222121120131 its reverse (13102112122222), we get a palindrome (35324233242353).

The spelling of 22222121120131 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, one hundred thirty-one".