102021021967 has 2 divisors, whose sum is σ = 102021021968. Its totient is φ = 102021021966.

The previous prime is 102021021931. The next prime is 102021022027. The reversal of 102021021967 is 769120120201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102021021967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102021021467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010510983 + 51010510984.

It is an arithmetic number, because the mean of its divisors is an integer number (51010510984).

Almost surely, 2^102021021967 is an apocalyptic number.

102021021967 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021021967 is an equidigital number, since it uses as much as digits as its factorization.

102021021967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 102021021967 in words is "one hundred two billion, twenty-one million, twenty-one thousand, nine hundred sixty-seven".