120020111331 has 8 divisors (see below), whose sum is σ = 160028670144. Its totient is φ = 80012480040.

The previous prime is 120020111311. The next prime is 120020111339. The reversal of 120020111331 is 133111020021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120020111331 - 2³⁴ = 102840242147 is a prime.

It is a super-2 number, since 2×120020111331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120020111331.

It is not an unprimeable number, because it can be changed into a prime (120020111339) 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, 169120 + ... + 518306.

It is an arithmetic number, because the mean of its divisors is an integer number (20003583768).

Almost surely, 2^120020111331 is an apocalyptic number.

120020111331 is a deficient number, since it is larger than the sum of its proper divisors (40008558813).

120020111331 is a wasteful number, since it uses less digits than its factorization.

120020111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463761.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120020111331 its reverse (133111020021), we get a palindrome (253131131352).

The spelling of 120020111331 in words is "one hundred twenty billion, twenty million, one hundred eleven thousand, three hundred thirty-one".