100110999977 has 2 divisors, whose sum is σ = 100110999978. Its totient is φ = 100110999976.

The previous prime is 100110999971. The next prime is 100111000039. The reversal of 100110999977 is 779999011001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98731694656 + 1379305321 = 314216^2 + 37139^2 .

It is a cyclic number.

It is not a de Polignac number, because 100110999977 - 2⁸ = 100110999721 is a prime.

It is not a weakly prime, because it can be changed into another prime (100110999971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055499988 + 50055499989.

It is an arithmetic number, because the mean of its divisors is an integer number (50055499989).

Almost surely, 2^100110999977 is an apocalyptic number.

It is an amenable number.

100110999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

100110999977 is an equidigital number, since it uses as much as digits as its factorization.

100110999977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 321489, while the sum is 53.

The spelling of 100110999977 in words is "one hundred billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred seventy-seven".