122102020222139 has 2 divisors, whose sum is σ = 122102020222140. Its totient is φ = 122102020222138.

The previous prime is 122102020222109. The next prime is 122102020222309. The reversal of 122102020222139 is 931222020201221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122102020222139 is a prime.

It is not a weakly prime, because it can be changed into another prime (122102020222109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051010111069 + 61051010111070.

It is an arithmetic number, because the mean of its divisors is an integer number (61051010111070).

Almost surely, 2^{122102020222139} is an apocalyptic number.

122102020222139 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102020222139 is an equidigital number, since it uses as much as digits as its factorization.

122102020222139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 122102020222139 in words is "one hundred twenty-two trillion, one hundred two billion, twenty million, two hundred twenty-two thousand, one hundred thirty-nine".