122243521655527 has 2 divisors, whose sum is σ = 122243521655528. Its totient is φ = 122243521655526.

The previous prime is 122243521655509. The next prime is 122243521655569. The reversal of 122243521655527 is 725556125342221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122243521655527 - 2¹⁹ = 122243521131239 is a prime.

It is a super-2 number, since 2×122243521655527² (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 (122243521655587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61121760827763 + 61121760827764.

It is an arithmetic number, because the mean of its divisors is an integer number (61121760827764).

Almost surely, 2^{122243521655527} is an apocalyptic number.

122243521655527 is a deficient number, since it is larger than the sum of its proper divisors (1).

122243521655527 is an equidigital number, since it uses as much as digits as its factorization.

122243521655527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080000, while the sum is 52.

Adding to 122243521655527 its reverse (725556125342221), we get a palindrome (847799646997748).

The spelling of 122243521655527 in words is "one hundred twenty-two trillion, two hundred forty-three billion, five hundred twenty-one million, six hundred fifty-five thousand, five hundred twenty-seven".