100111209953 has 2 divisors, whose sum is σ = 100111209954. Its totient is φ = 100111209952.

The previous prime is 100111209889. The next prime is 100111210009. The reversal of 100111209953 is 359902111001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75458441809 + 24652768144 = 274697^2 + 157012^2 .

It is a cyclic number.

It is not a de Polignac number, because 100111209953 - 2⁶ = 100111209889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100114209953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055604976 + 50055604977.

It is an arithmetic number, because the mean of its divisors is an integer number (50055604977).

Almost surely, 2^100111209953 is an apocalyptic number.

It is an amenable number.

100111209953 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111209953 is an equidigital number, since it uses as much as digits as its factorization.

100111209953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 32.

The spelling of 100111209953 in words is "one hundred billion, one hundred eleven million, two hundred nine thousand, nine hundred fifty-three".