100122101220979 has 2 divisors, whose sum is σ = 100122101220980. Its totient is φ = 100122101220978.

The previous prime is 100122101220941. The next prime is 100122101221033. The reversal of 100122101220979 is 979022101221001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100122101220979 - 2²⁵ = 100122067666547 is a prime.

It is not a weakly prime, because it can be changed into another prime (100122101224979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061050610489 + 50061050610490.

It is an arithmetic number, because the mean of its divisors is an integer number (50061050610490).

Almost surely, 2^{100122101220979} is an apocalyptic number.

100122101220979 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122101220979 is an equidigital number, since it uses as much as digits as its factorization.

100122101220979 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 100122101220979 in words is "one hundred trillion, one hundred twenty-two billion, one hundred one million, two hundred twenty thousand, nine hundred seventy-nine".