102021003079 has 2 divisors, whose sum is σ = 102021003080. Its totient is φ = 102021003078.

The previous prime is 102021003061. The next prime is 102021003169. The reversal of 102021003079 is 970300120201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102021003079 - 2²¹ = 102018905927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102021003779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010501539 + 51010501540.

It is an arithmetic number, because the mean of its divisors is an integer number (51010501540).

Almost surely, 2^102021003079 is an apocalyptic number.

102021003079 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021003079 is an equidigital number, since it uses as much as digits as its factorization.

102021003079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The spelling of 102021003079 in words is "one hundred two billion, twenty-one million, three thousand, seventy-nine".