100122010999979 has 2 divisors, whose sum is σ = 100122010999980. Its totient is φ = 100122010999978.

The previous prime is 100122010999939. The next prime is 100122011000027. The reversal of 100122010999979 is 979999010221001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100122010999979 - 2⁸ = 100122010999723 is a prime.

It is not a weakly prime, because it can be changed into another prime (100122010999939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061005499989 + 50061005499990.

It is an arithmetic number, because the mean of its divisors is an integer number (50061005499990).

Almost surely, 2^{100122010999979} is an apocalyptic number.

100122010999979 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122010999979 is an equidigital number, since it uses as much as digits as its factorization.

100122010999979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1653372, while the sum is 59.

The spelling of 100122010999979 in words is "one hundred trillion, one hundred twenty-two billion, ten million, nine hundred ninety-nine thousand, nine hundred seventy-nine".