102120122120039 has 2 divisors, whose sum is σ = 102120122120040. Its totient is φ = 102120122120038.

The previous prime is 102120122120021. The next prime is 102120122120111. The reversal of 102120122120039 is 930021221021201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102120122120039 - 2²⁴ = 102120105342823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102120122128039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060061060019 + 51060061060020.

It is an arithmetic number, because the mean of its divisors is an integer number (51060061060020).

Almost surely, 2^{102120122120039} is an apocalyptic number.

102120122120039 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120122120039 is an equidigital number, since it uses as much as digits as its factorization.

102120122120039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 102120122120039 in words is "one hundred two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twenty thousand, thirty-nine".