2120152291 has 2 divisors, whose sum is σ = 2120152292. Its totient is φ = 2120152290.

The previous prime is 2120152273. The next prime is 2120152327. The reversal of 2120152291 is 1922510212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120152291 - 2¹³ = 2120144099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120152591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060076145 + 1060076146.

It is an arithmetic number, because the mean of its divisors is an integer number (1060076146).

Almost surely, 2^2120152291 is an apocalyptic number.

2120152291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120152291 is an equidigital number, since it uses as much as digits as its factorization.

2120152291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2120152291 is about 46045.1114777671. Note that the first 3 decimals coincide. The cubic root of 2120152291 is about 1284.6624176426.

The spelling of 2120152291 in words is "two billion, one hundred twenty million, one hundred fifty-two thousand, two hundred ninety-one".