11112120111100 has 36 divisors (see below), whose sum is σ = 25382421731800. Its totient is φ = 4210908672960.

The previous prime is 11112120111091. The next prime is 11112120111101. The reversal of 11112120111100 is 111102121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112120111101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2924240235 + ... + 2924244034.

Almost surely, 2^{11112120111100} is an apocalyptic number.

11112120111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112120111100 is an abundant number, since it is smaller than the sum of its proper divisors (14270301620700).

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

11112120111100 is a wasteful number, since it uses less digits than its factorization.

11112120111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5848484302 (or 5848484295 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11112120111100 its reverse (111102121111), we get a palindrome (11223222232211).

The spelling of 11112120111100 in words is "eleven trillion, one hundred twelve billion, one hundred twenty million, one hundred eleven thousand, one hundred".