2120122031 has 2 divisors, whose sum is σ = 2120122032. Its totient is φ = 2120122030.

The previous prime is 2120122021. The next prime is 2120122033. The reversal of 2120122031 is 1302210212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120122031 - 2⁶ = 2120121967 is a prime.

It is a super-2 number, since 2×2120122031² = 8989834852663129922, which contains 22 as substring.

Together with 2120122033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120121997 and 2120122015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120122033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060061015 + 1060061016.

It is an arithmetic number, because the mean of its divisors is an integer number (1060061016).

Almost surely, 2^2120122031 is an apocalyptic number.

2120122031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120122031 is an equidigital number, since it uses as much as digits as its factorization.

2120122031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2120122031 is about 46044.7828857950. The cubic root of 2120122031 is about 1284.6563058065.

Adding to 2120122031 its reverse (1302210212), we get a palindrome (3422332243).

The spelling of 2120122031 in words is "two billion, one hundred twenty million, one hundred twenty-two thousand, thirty-one".