2120132251 has 2 divisors, whose sum is σ = 2120132252. Its totient is φ = 2120132250.

The previous prime is 2120132219. The next prime is 2120132291. The reversal of 2120132251 is 1522310212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120132251 - 2⁵ = 2120132219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120132291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060066125 + 1060066126.

It is an arithmetic number, because the mean of its divisors is an integer number (1060066126).

Almost surely, 2^2120132251 is an apocalyptic number.

2120132251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120132251 is an equidigital number, since it uses as much as digits as its factorization.

2120132251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2120132251 is about 46044.8938645753. The cubic root of 2120132251 is about 1284.6583700220.

Adding to 2120132251 its reverse (1522310212), we get a palindrome (3642442463).

The spelling of 2120132251 in words is "two billion, one hundred twenty million, one hundred thirty-two thousand, two hundred fifty-one".