120201113121 has 32 divisors (see below), whose sum is σ = 174519918720. Its totient is φ = 73281770496.

The previous prime is 120201113113. The next prime is 120201113161. The reversal of 120201113121 is 121311102021.

It is not a de Polignac number, because 120201113121 - 2³ = 120201113113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120201113121.

It is not an unprimeable number, because it can be changed into a prime (120201113161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1351395 + ... + 1437591.

It is an arithmetic number, because the mean of its divisors is an integer number (5453747460).

Almost surely, 2^120201113121 is an apocalyptic number.

It is an amenable number.

120201113121 is a deficient number, since it is larger than the sum of its proper divisors (54318805599).

120201113121 is a wasteful number, since it uses less digits than its factorization.

120201113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86993.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 120201113121 its reverse (121311102021), we get a palindrome (241512215142).

The spelling of 120201113121 in words is "one hundred twenty billion, two hundred one million, one hundred thirteen thousand, one hundred twenty-one".