11100021120100 has 72 divisors (see below), whose sum is σ = 27659765599200. Its totient is φ = 3823930713600.

The previous prime is 11100021120079. The next prime is 11100021120143. The reversal of 11100021120100 is 102112000111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265529845 + ... + 265571644.

It is an arithmetic number, because the mean of its divisors is an integer number (384163411100).

Almost surely, 2^{11100021120100} is an apocalyptic number.

11100021120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100021120100 is an abundant number, since it is smaller than the sum of its proper divisors (16559744479100).

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

11100021120100 is a wasteful number, since it uses less digits than its factorization.

11100021120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531101533 (or 531101526 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11100021120100 its reverse (102112000111), we get a palindrome (11202133120211).

The spelling of 11100021120100 in words is "eleven trillion, one hundred billion, twenty-one million, one hundred twenty thousand, one hundred".