11122221120100 has 72 divisors (see below), whose sum is σ = 24582007532768. Its totient is φ = 4367000563200.

The previous prime is 11122221120083. The next prime is 11122221120133. The reversal of 11122221120100 is 102112222111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1036821 + ... + 4829020.

Almost surely, 2^{11122221120100} is an apocalyptic number.

11122221120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122221120100 is an abundant number, since it is smaller than the sum of its proper divisors (13459786412668).

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

11122221120100 is a wasteful number, since it uses less digits than its factorization.

11122221120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5866205 (or 5866198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11122221120100 its reverse (102112222111), we get a palindrome (11224333342211).

It can be divided in two parts, 1112222 and 1120100, that added together give a palindrome (2232322).

The spelling of 11122221120100 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred".