2120331332111 has 2 divisors, whose sum is σ = 2120331332112. Its totient is φ = 2120331332110.

The previous prime is 2120331331999. The next prime is 2120331332123. The reversal of 2120331332111 is 1112331330212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120331332111 - 2²² = 2120327137807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120331332311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060165666055 + 1060165666056.

It is an arithmetic number, because the mean of its divisors is an integer number (1060165666056).

Almost surely, 2^{2120331332111} is an apocalyptic number.

2120331332111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120331332111 is an equidigital number, since it uses as much as digits as its factorization.

2120331332111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2120331332111 its reverse (1112331330212), we get a palindrome (3232662662323).

The spelling of 2120331332111 in words is "two trillion, one hundred twenty billion, three hundred thirty-one million, three hundred thirty-two thousand, one hundred eleven".