2120231133331 has 2 divisors, whose sum is σ = 2120231133332. Its totient is φ = 2120231133330.

The previous prime is 2120231133287. The next prime is 2120231133389. The reversal of 2120231133331 is 1333311320212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120231133331 - 2⁷ = 2120231133203 is a prime.

It is a super-3 number, since 3×2120231133331³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2120231133296 and 2120231133305.

It is not a weakly prime, because it can be changed into another prime (2120237133331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060115566665 + 1060115566666.

It is an arithmetic number, because the mean of its divisors is an integer number (1060115566666).

Almost surely, 2^{2120231133331} is an apocalyptic number.

2120231133331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120231133331 is an equidigital number, since it uses as much as digits as its factorization.

2120231133331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2120231133331 its reverse (1333311320212), we get a palindrome (3453542453543).

The spelling of 2120231133331 in words is "two trillion, one hundred twenty billion, two hundred thirty-one million, one hundred thirty-three thousand, three hundred thirty-one".