100011211119979 has 2 divisors, whose sum is σ = 100011211119980. Its totient is φ = 100011211119978.

The previous prime is 100011211119961. The next prime is 100011211120063. The reversal of 100011211119979 is 979911112110001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100011211119979 - 2¹¹ = 100011211117931 is a prime.

It is a super-2 number, since 2×100011211119979² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100011211119779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005605559989 + 50005605559990.

It is an arithmetic number, because the mean of its divisors is an integer number (50005605559990).

Almost surely, 2^{100011211119979} is an apocalyptic number.

100011211119979 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011211119979 is an equidigital number, since it uses as much as digits as its factorization.

100011211119979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 43.

The spelling of 100011211119979 in words is "one hundred trillion, eleven billion, two hundred eleven million, one hundred nineteen thousand, nine hundred seventy-nine".