100100109899 has 2 divisors, whose sum is σ = 100100109900. Its totient is φ = 100100109898.

The previous prime is 100100109877. The next prime is 100100109911. The reversal of 100100109899 is 998901001001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100100109899 - 2²⁸ = 99831674443 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100100109199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050054949 + 50050054950.

It is an arithmetic number, because the mean of its divisors is an integer number (50050054950).

Almost surely, 2^100100109899 is an apocalyptic number.

100100109899 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100109899 is an equidigital number, since it uses as much as digits as its factorization.

100100109899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 100100109899 in words is "one hundred billion, one hundred million, one hundred nine thousand, eight hundred ninety-nine".