120333221031 has 4 divisors (see below), whose sum is σ = 160444294712. Its totient is φ = 80222147352.

The previous prime is 120333221027. The next prime is 120333221033. The reversal of 120333221031 is 130122333021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120333221031 - 2² = 120333221027 is a prime.

It is a super-2 number, since 2×120333221031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120333220989 and 120333221007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120333221033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20055536836 + ... + 20055536841.

It is an arithmetic number, because the mean of its divisors is an integer number (40111073678).

Almost surely, 2^120333221031 is an apocalyptic number.

120333221031 is a deficient number, since it is larger than the sum of its proper divisors (40111073681).

120333221031 is an equidigital number, since it uses as much as digits as its factorization.

120333221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40111073680.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 120333221031 its reverse (130122333021), we get a palindrome (250455554052).

The spelling of 120333221031 in words is "one hundred twenty billion, three hundred thirty-three million, two hundred twenty-one thousand, thirty-one".