100111223200979 has 2 divisors, whose sum is σ = 100111223200980. Its totient is φ = 100111223200978.

The previous prime is 100111223200927. The next prime is 100111223201023. The reversal of 100111223200979 is 979002322111001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100111223200979 is a prime.

It is not a weakly prime, because it can be changed into another prime (100111223200379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055611600489 + 50055611600490.

It is an arithmetic number, because the mean of its divisors is an integer number (50055611600490).

Almost surely, 2^{100111223200979} is an apocalyptic number.

100111223200979 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111223200979 is an equidigital number, since it uses as much as digits as its factorization.

100111223200979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 100111223200979 in words is "one hundred trillion, one hundred eleven billion, two hundred twenty-three million, two hundred thousand, nine hundred seventy-nine".