131201111120 has 80 divisors (see below), whose sum is σ = 306486687168. Its totient is φ = 52232355840.

The previous prime is 131201111099. The next prime is 131201111137. The reversal of 131201111120 is 21111102131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 131201111095 and 131201111104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36738935 + ... + 36742505.

Almost surely, 2^131201111120 is an apocalyptic number.

131201111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201111120 is an abundant number, since it is smaller than the sum of its proper divisors (175285576048).

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

131201111120 is a wasteful number, since it uses less digits than its factorization.

131201111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628 (or 5622 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 131201111120 its reverse (21111102131), we get a palindrome (152312213251).

The spelling of 131201111120 in words is "one hundred thirty-one billion, two hundred one million, one hundred eleven thousand, one hundred twenty".