20220122112131 has 2 divisors, whose sum is σ = 20220122112132. Its totient is φ = 20220122112130.

The previous prime is 20220122112103. The next prime is 20220122112199. The reversal of 20220122112131 is 13121122102202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220122112131 is a prime.

It is a super-2 number, since 2×20220122112131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20220122112101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110061056065 + 10110061056066.

It is an arithmetic number, because the mean of its divisors is an integer number (10110061056066).

Almost surely, 2^{20220122112131} is an apocalyptic number.

20220122112131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220122112131 is an equidigital number, since it uses as much as digits as its factorization.

20220122112131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20220122112131 its reverse (13121122102202), we get a palindrome (33341244214333).

The spelling of 20220122112131 in words is "twenty trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, one hundred thirty-one".