11122021100 has 36 divisors (see below), whose sum is σ = 24189858000. Its totient is φ = 4438656960.

The previous prime is 11122021093. The next prime is 11122021117. The reversal of 11122021100 is 112022111.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82775 + ... + 170574.

It is an arithmetic number, because the mean of its divisors is an integer number (671940500).

Almost surely, 2^11122021100 is an apocalyptic number.

11122021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122021100 is an abundant number, since it is smaller than the sum of its proper divisors (13067836900).

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

11122021100 is a wasteful number, since it uses less digits than its factorization.

11122021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253802 (or 253795 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11122021100 its reverse (112022111), we get a palindrome (11234043211).

The spelling of 11122021100 in words is "eleven billion, one hundred twenty-two million, twenty-one thousand, one hundred".