120211322031 has 12 divisors (see below), whose sum is σ = 173657971552. Its totient is φ = 80131929696.

The previous prime is 120211322027. The next prime is 120211322051. The reversal of 120211322031 is 130223112021.

It is not a de Polignac number, because 120211322031 - 2² = 120211322027 is a prime.

It is a super-2 number, since 2×120211322031² (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 = 120211321995 and 120211322013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211322051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660406 + ... + 822531.

Almost surely, 2^120211322031 is an apocalyptic number.

120211322031 is a deficient number, since it is larger than the sum of its proper divisors (53446649521).

120211322031 is a wasteful number, since it uses less digits than its factorization.

120211322031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491950 (or 1491947 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120211322031 its reverse (130223112021), we get a palindrome (250434434052).

The spelling of 120211322031 in words is "one hundred twenty billion, two hundred eleven million, three hundred twenty-two thousand, thirty-one".