2120231330331 has 16 divisors (see below), whose sum is σ = 2975866400640. Its totient is φ = 1339047063360.

The previous prime is 2120231330317. The next prime is 2120231330417. The reversal of 2120231330331 is 1330331320212.

It is not a de Polignac number, because 2120231330331 - 2⁶ = 2120231330267 is a prime.

It is a super-2 number, since 2×2120231330331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120231330311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053471 + ... + 2313063.

It is an arithmetic number, because the mean of its divisors is an integer number (185991650040).

Almost surely, 2^{2120231330331} is an apocalyptic number.

2120231330331 is a deficient number, since it is larger than the sum of its proper divisors (855635070309).

2120231330331 is a wasteful number, since it uses less digits than its factorization.

2120231330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289146.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 2120231330331 its reverse (1330331320212), we get a palindrome (3450562650543).

The spelling of 2120231330331 in words is "two trillion, one hundred twenty billion, two hundred thirty-one million, three hundred thirty thousand, three hundred thirty-one".