122112121039 has 2 divisors, whose sum is σ = 122112121040. Its totient is φ = 122112121038.

The previous prime is 122112121037. The next prime is 122112121063. The reversal of 122112121039 is 930121211221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122112121039 - 2¹ = 122112121037 is a prime.

It is a super-2 number, since 2×122112121039² (a number of 23 digits) contains 22 as substring.

Together with 122112121037, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122112121037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056060519 + 61056060520.

It is an arithmetic number, because the mean of its divisors is an integer number (61056060520).

Almost surely, 2^122112121039 is an apocalyptic number.

122112121039 is a deficient number, since it is larger than the sum of its proper divisors (1).

122112121039 is an equidigital number, since it uses as much as digits as its factorization.

122112121039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 122112121039 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, thirty-nine".