11100021099 has 32 divisors (see below), whose sum is σ = 15852699648. Its totient is φ = 6893040000.

The previous prime is 11100021091. The next prime is 11100021137. The reversal of 11100021099 is 99012000111.

It is not a de Polignac number, because 11100021099 - 2³ = 11100021091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100021091) 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, 412054 + ... + 438164.

It is an arithmetic number, because the mean of its divisors is an integer number (495396864).

Almost surely, 2^11100021099 is an apocalyptic number.

11100021099 is a deficient number, since it is larger than the sum of its proper divisors (4752678549).

11100021099 is a wasteful number, since it uses less digits than its factorization.

11100021099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26299.

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

The spelling of 11100021099 in words is "eleven billion, one hundred million, twenty-one thousand, ninety-nine".