100111099969 has 2 divisors, whose sum is σ = 100111099970. Its totient is φ = 100111099968.

The previous prime is 100111099919. The next prime is 100111100009. The reversal of 100111099969 is 969990111001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88509225025 + 11601874944 = 297505^2 + 107712^2 .

It is a cyclic number.

It is not a de Polignac number, because 100111099969 - 2²¹ = 100109002817 is a prime.

It is a super-2 number, since 2×100111099969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100111099919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055549984 + 50055549985.

It is an arithmetic number, because the mean of its divisors is an integer number (50055549985).

Almost surely, 2^100111099969 is an apocalyptic number.

It is an amenable number.

100111099969 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111099969 is an equidigital number, since it uses as much as digits as its factorization.

100111099969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 46.

The spelling of 100111099969 in words is "one hundred billion, one hundred eleven million, ninety-nine thousand, nine hundred sixty-nine".