2212311230251 has 2 divisors, whose sum is σ = 2212311230252. Its totient is φ = 2212311230250.

The previous prime is 2212311230219. The next prime is 2212311230341. The reversal of 2212311230251 is 1520321132122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2212311230251 - 2⁵ = 2212311230219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212311230851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106155615125 + 1106155615126.

It is an arithmetic number, because the mean of its divisors is an integer number (1106155615126).

Almost surely, 2^{2212311230251} is an apocalyptic number.

2212311230251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212311230251 is an equidigital number, since it uses as much as digits as its factorization.

2212311230251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 2212311230251 its reverse (1520321132122), we get a palindrome (3732632362373).

The spelling of 2212311230251 in words is "two trillion, two hundred twelve billion, three hundred eleven million, two hundred thirty thousand, two hundred fifty-one".