11101000120 has 32 divisors (see below), whose sum is σ = 28545429600. Its totient is φ = 3806057088.

The previous prime is 11101000109. The next prime is 11101000159. The reversal of 11101000120 is 2100010111.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19822935 + ... + 19823494.

It is an arithmetic number, because the mean of its divisors is an integer number (892044675).

Almost surely, 2^11101000120 is an apocalyptic number.

11101000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101000120 is an abundant number, since it is smaller than the sum of its proper divisors (17444429480).

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

11101000120 is a wasteful number, since it uses less digits than its factorization.

11101000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39646447 (or 39646443 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11101000120 its reverse (2100010111), we get a palindrome (13201010231).

Subtracting from 11101000120 its reverse (2100010111), we obtain a palindrome (9000990009).

The spelling of 11101000120 in words is "eleven billion, one hundred one million, one hundred twenty", and thus it is an aban number.