1122213335251 has 2 divisors, whose sum is σ = 1122213335252. Its totient is φ = 1122213335250.

The previous prime is 1122213335249. The next prime is 1122213335267. The reversal of 1122213335251 is 1525333122211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122213335251 - 2¹ = 1122213335249 is a prime.

Together with 1122213335249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1122213335351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561106667625 + 561106667626.

It is an arithmetic number, because the mean of its divisors is an integer number (561106667626).

Almost surely, 2^{1122213335251} is an apocalyptic number.

1122213335251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122213335251 is an equidigital number, since it uses as much as digits as its factorization.

1122213335251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

Adding to 1122213335251 its reverse (1525333122211), we get a palindrome (2647546457462).

The spelling of 1122213335251 in words is "one trillion, one hundred twenty-two billion, two hundred thirteen million, three hundred thirty-five thousand, two hundred fifty-one".