11121100921100 has 18 divisors (see below), whose sum is σ = 24132788999004. Its totient is φ = 4448440368400.

The previous prime is 11121100921067. The next prime is 11121100921141. The reversal of 11121100921100 is 112900112111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55605504506 + ... + 55605504705.

Almost surely, 2^{11121100921100} is an apocalyptic number.

11121100921100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121100921100 is an abundant number, since it is smaller than the sum of its proper divisors (13011688077904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121100921100 is a wasteful number, since it uses less digits than its factorization.

11121100921100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111211009225 (or 111211009218 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 11121100921100 in words is "eleven trillion, one hundred twenty-one billion, one hundred million, nine hundred twenty-one thousand, one hundred".