11331201211120 has 40 divisors (see below), whose sum is σ = 30108620362464. Its totient is φ = 3884983272192.

The previous prime is 11331201211111. The next prime is 11331201211123. The reversal of 11331201211120 is 2111210213311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×11331201211120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331201211123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10117143379 + ... + 10117144498.

Almost surely, 2^{11331201211120} is an apocalyptic number.

11331201211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331201211120 is an abundant number, since it is smaller than the sum of its proper divisors (18777419151344).

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

11331201211120 is a wasteful number, since it uses less digits than its factorization.

11331201211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20234287897 (or 20234287891 counting only the distinct ones).

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

Adding to 11331201211120 its reverse (2111210213311), we get a palindrome (13442411424431).

The spelling of 11331201211120 in words is "eleven trillion, three hundred thirty-one billion, two hundred one million, two hundred eleven thousand, one hundred twenty".