2122120031 has 2 divisors, whose sum is σ = 2122120032. Its totient is φ = 2122120030.

The previous prime is 2122119913. The next prime is 2122120043. The reversal of 2122120031 is 1300212212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122120031 - 2²² = 2117925727 is a prime.

It is a super-2 number, since 2×2122120031² = 9006786851942881922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122119988 and 2122120015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122120061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061060015 + 1061060016.

It is an arithmetic number, because the mean of its divisors is an integer number (1061060016).

Almost surely, 2^2122120031 is an apocalyptic number.

2122120031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122120031 is an equidigital number, since it uses as much as digits as its factorization.

2122120031 is an evil number, because the sum of its binary digits is even.

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

The square root of 2122120031 is about 46066.4740456658. The cubic root of 2122120031 is about 1285.0597318648.

Adding to 2122120031 its reverse (1300212212), we get a palindrome (3422332243).

The spelling of 2122120031 in words is "two billion, one hundred twenty-two million, one hundred twenty thousand, thirty-one".