2351221151 has 16 divisors (see below), whose sum is σ = 2413662720. Its totient is φ = 2289751200.

The previous prime is 2351221141. The next prime is 2351221189. The reversal of 2351221151 is 1511221532.

It is a cyclic number.

It is not a de Polignac number, because 2351221151 - 2¹⁰ = 2351220127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351221141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2801990 + ... + 2802828.

It is an arithmetic number, because the mean of its divisors is an integer number (150853920).

Almost surely, 2^2351221151 is an apocalyptic number.

2351221151 is a deficient number, since it is larger than the sum of its proper divisors (62441569).

2351221151 is a wasteful number, since it uses less digits than its factorization.

2351221151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its digits is 600, while the sum is 23.

The square root of 2351221151 is about 48489.3921492114. The cubic root of 2351221151 is about 1329.7331424198.

Adding to 2351221151 its reverse (1511221532), we get a palindrome (3862442683).

The spelling of 2351221151 in words is "two billion, three hundred fifty-one million, two hundred twenty-one thousand, one hundred fifty-one".