11121000099 has 32 divisors (see below), whose sum is σ = 16410449664. Its totient is φ = 6642708480.

The previous prime is 11121000061. The next prime is 11121000103. The reversal of 11121000099 is 99000012111.

It is not a de Polignac number, because 11121000099 - 2⁸ = 11120999843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121000049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1181299 + ... + 1190675.

It is an arithmetic number, because the mean of its divisors is an integer number (512826552).

Almost surely, 2^11121000099 is an apocalyptic number.

11121000099 is a deficient number, since it is larger than the sum of its proper divisors (5289449565).

11121000099 is a wasteful number, since it uses less digits than its factorization.

11121000099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9907.

The product of its (nonzero) digits is 162, while the sum is 24.

The spelling of 11121000099 in words is "eleven billion, one hundred twenty-one million, ninety-nine", and thus it is an aban number.