122555225321351 has 2 divisors, whose sum is σ = 122555225321352. Its totient is φ = 122555225321350.

The previous prime is 122555225321317. The next prime is 122555225321357. The reversal of 122555225321351 is 153123522555221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122555225321351 - 2⁴² = 118157178810247 is a prime.

It is a super-2 number, since 2×122555225321351² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122555225321357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277612660675 + 61277612660676.

It is an arithmetic number, because the mean of its divisors is an integer number (61277612660676).

Almost surely, 2^{122555225321351} is an apocalyptic number.

122555225321351 is a deficient number, since it is larger than the sum of its proper divisors (1).

122555225321351 is an equidigital number, since it uses as much as digits as its factorization.

122555225321351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900000, while the sum is 44.

Adding to 122555225321351 its reverse (153123522555221), we get a palindrome (275678747876572).

The spelling of 122555225321351 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred twenty-five million, three hundred twenty-one thousand, three hundred fifty-one".