251153422230211 has 2 divisors, whose sum is σ = 251153422230212. Its totient is φ = 251153422230210.

The previous prime is 251153422230203. The next prime is 251153422230223. The reversal of 251153422230211 is 112032224351152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251153422230211 - 2³ = 251153422230203 is a prime.

It is a super-2 number, since 2×251153422230211² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (251153422270211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125576711115105 + 125576711115106.

It is an arithmetic number, because the mean of its divisors is an integer number (125576711115106).

Almost surely, 2^{251153422230211} is an apocalyptic number.

251153422230211 is a deficient number, since it is larger than the sum of its proper divisors (1).

251153422230211 is an equidigital number, since it uses as much as digits as its factorization.

251153422230211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 251153422230211 its reverse (112032224351152), we get a palindrome (363185646581363).

The spelling of 251153422230211 in words is "two hundred fifty-one trillion, one hundred fifty-three billion, four hundred twenty-two million, two hundred thirty thousand, two hundred eleven".