122212021210931 has 2 divisors, whose sum is σ = 122212021210932. Its totient is φ = 122212021210930.

The previous prime is 122212021210871. The next prime is 122212021210973. The reversal of 122212021210931 is 139012120212221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122212021210931 is a prime.

It is a super-2 number, since 2×122212021210931² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122212021210894 and 122212021210903.

It is not a weakly prime, because it can be changed into another prime (122212021710931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106010605465 + 61106010605466.

It is an arithmetic number, because the mean of its divisors is an integer number (61106010605466).

Almost surely, 2^{122212021210931} is an apocalyptic number.

122212021210931 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212021210931 is an equidigital number, since it uses as much as digits as its factorization.

122212021210931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 122212021210931 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred ten thousand, nine hundred thirty-one".