11042120120 has 32 divisors (see below), whose sum is σ = 24849724320. Its totient is φ = 4415967360.

The previous prime is 11042120119. The next prime is 11042120171. The reversal of 11042120120 is 2102124011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11042120095 and 11042120104.

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, 198509 + ... + 247971.

It is an arithmetic number, because the mean of its divisors is an integer number (776553885).

Almost surely, 2^11042120120 is an apocalyptic number.

11042120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11042120120 is an abundant number, since it is smaller than the sum of its proper divisors (13807604200).

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

11042120120 is a wasteful number, since it uses less digits than its factorization.

11042120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55055 (or 55051 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11042120120 its reverse (2102124011), we get a palindrome (13144244131).

The spelling of 11042120120 in words is "eleven billion, forty-two million, one hundred twenty thousand, one hundred twenty".