11331121210120 has 32 divisors (see below), whose sum is σ = 25495118856000. Its totient is φ = 4532431393728.

The previous prime is 11331121210111. The next prime is 11331121210159. The reversal of 11331121210120 is 2101212113311.

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, 19304731 + ... + 19883029.

It is an arithmetic number, because the mean of its divisors is an integer number (796722464250).

Almost surely, 2^{11331121210120} is an apocalyptic number.

11331121210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331121210120 is an abundant number, since it is smaller than the sum of its proper divisors (14163997645880).

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

11331121210120 is a wasteful number, since it uses less digits than its factorization.

11331121210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068157 (or 1068153 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11331121210120 its reverse (2101212113311), we get a palindrome (13432333323431).

The spelling of 11331121210120 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty".