2122133231 has 2 divisors, whose sum is σ = 2122133232. Its totient is φ = 2122133230.

The previous prime is 2122133207. The next prime is 2122133243. The reversal of 2122133231 is 1323312212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122133231 is a prime.

It is a super-2 number, since 2×2122133231² = 9006898900228998722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122133201) 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, 1061066615 + 1061066616.

It is an arithmetic number, because the mean of its divisors is an integer number (1061066616).

Almost surely, 2^2122133231 is an apocalyptic number.

2122133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122133231 is an equidigital number, since it uses as much as digits as its factorization.

2122133231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 2122133231 is about 46066.6173166644. The cubic root of 2122133231 is about 1285.0623962999.

Adding to 2122133231 its reverse (1323312212), we get a palindrome (3445445443).

The spelling of 2122133231 in words is "two billion, one hundred twenty-two million, one hundred thirty-three thousand, two hundred thirty-one".