102021320331079 has 2 divisors, whose sum is σ = 102021320331080. Its totient is φ = 102021320331078.

The previous prime is 102021320331071. The next prime is 102021320331103. The reversal of 102021320331079 is 970133023120201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102021320331079 - 2³ = 102021320331071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102021320331071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010660165539 + 51010660165540.

It is an arithmetic number, because the mean of its divisors is an integer number (51010660165540).

Almost surely, 2^{102021320331079} is an apocalyptic number.

102021320331079 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021320331079 is an equidigital number, since it uses as much as digits as its factorization.

102021320331079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 102021320331079 in words is "one hundred two trillion, twenty-one billion, three hundred twenty million, three hundred thirty-one thousand, seventy-nine".