100121111179 has 2 divisors, whose sum is σ = 100121111180. Its totient is φ = 100121111178.

The previous prime is 100121111117. The next prime is 100121111191. The reversal of 100121111179 is 971111121001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100121111179 - 2¹⁵ = 100121078411 is a prime.

It is not a weakly prime, because it can be changed into another prime (100121117179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060555589 + 50060555590.

It is an arithmetic number, because the mean of its divisors is an integer number (50060555590).

Almost surely, 2^100121111179 is an apocalyptic number.

100121111179 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121111179 is an equidigital number, since it uses as much as digits as its factorization.

100121111179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 25.

The spelling of 100121111179 in words is "one hundred billion, one hundred twenty-one million, one hundred eleven thousand, one hundred seventy-nine".