102021212010979 has 2 divisors, whose sum is σ = 102021212010980. Its totient is φ = 102021212010978.

The previous prime is 102021212010947. The next prime is 102021212011007. The reversal of 102021212010979 is 979010212120201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102021212010979 - 2⁵ = 102021212010947 is a prime.

It is not a weakly prime, because it can be changed into another prime (102021212010479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010606005489 + 51010606005490.

It is an arithmetic number, because the mean of its divisors is an integer number (51010606005490).

Almost surely, 2^{102021212010979} is an apocalyptic number.

102021212010979 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021212010979 is an equidigital number, since it uses as much as digits as its factorization.

102021212010979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 102021212010979 in words is "one hundred two trillion, twenty-one billion, two hundred twelve million, ten thousand, nine hundred seventy-nine".