11111100099 has 16 divisors (see below), whose sum is σ = 16312648320. Its totient is φ = 6671063360.

The previous prime is 11111100089. The next prime is 11111100137. The reversal of 11111100099 is 99000111111.

It is a cyclic number.

It is not a de Polignac number, because 11111100099 - 2⁴ = 11111100083 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11111100089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569834 + ... + 1576895.

It is an arithmetic number, because the mean of its divisors is an integer number (1019540520).

Almost surely, 2^11111100099 is an apocalyptic number.

11111100099 is a deficient number, since it is larger than the sum of its proper divisors (5201548221).

11111100099 is a wasteful number, since it uses less digits than its factorization.

11111100099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146850.

The product of its (nonzero) digits is 81, while the sum is 24.

The spelling of 11111100099 in words is "eleven billion, one hundred eleven million, one hundred thousand, ninety-nine".