11100111010120 has 64 divisors (see below), whose sum is σ = 27246716107200. Its totient is φ = 4036257473280.

The previous prime is 11100111010063. The next prime is 11100111010129. The reversal of 11100111010120 is 2101011100111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11100111010097 and 11100111010106.

It is not an unprimeable number, because it can be changed into a prime (11100111010129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12065067 + ... + 12952453.

It is an arithmetic number, because the mean of its divisors is an integer number (425729939175).

Almost surely, 2^{11100111010120} is an apocalyptic number.

11100111010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100111010120 is an abundant number, since it is smaller than the sum of its proper divisors (16146605097080).

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

11100111010120 is a wasteful number, since it uses less digits than its factorization.

11100111010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915838 (or 915834 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11100111010120 its reverse (2101011100111), we get a palindrome (13201122110231).

The spelling of 11100111010120 in words is "eleven trillion, one hundred billion, one hundred eleven million, ten thousand, one hundred twenty".