11100120111000 has 192 divisors, whose sum is σ = 38154312986400. Its totient is φ = 2909861856000.

The previous prime is 11100120110971. The next prime is 11100120111011. The reversal of 11100120111000 is 11102100111.

11100120111000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9921091 + ... + 10983090.

Almost surely, 2^{11100120111000} is an apocalyptic number.

11100120111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100120111000 is an abundant number, since it is smaller than the sum of its proper divisors (27054192875400).

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

11100120111000 is a wasteful number, since it uses less digits than its factorization.

11100120111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20904267 (or 20904250 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11100120111000 its reverse (11102100111), we get a palindrome (11111222211111).

The spelling of 11100120111000 in words is "eleven trillion, one hundred billion, one hundred twenty million, one hundred eleven thousand".