11121122212100 has 36 divisors (see below), whose sum is σ = 25182088909824. Its totient is φ = 4255038062880.

The previous prime is 11121122212097. The next prime is 11121122212111. The reversal of 11121122212100 is 121222112111.

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, 2417632964 + ... + 2417637563.

Almost surely, 2^{11121122212100} is an apocalyptic number.

11121122212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121122212100 is an abundant number, since it is smaller than the sum of its proper divisors (14060966697724).

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

11121122212100 is a wasteful number, since it uses less digits than its factorization.

11121122212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835270564 (or 4835270557 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11121122212100 its reverse (121222112111), we get a palindrome (11242344324211).

The spelling of 11121122212100 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred twelve thousand, one hundred".