122555231421031 has 4 divisors (see below), whose sum is σ = 129005506759000. Its totient is φ = 116104956083064.

The previous prime is 122555231420983. The next prime is 122555231421167. The reversal of 122555231421031 is 130124132555221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122555231421031 - 2³⁵ = 122520871682663 is a prime.

It is a super-2 number, since 2×122555231421031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555231481031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225137668956 + ... + 3225137668993.

It is an arithmetic number, because the mean of its divisors is an integer number (32251376689750).

Almost surely, 2^{122555231421031} is an apocalyptic number.

122555231421031 is a deficient number, since it is larger than the sum of its proper divisors (6450275337969).

122555231421031 is an equidigital number, since it uses as much as digits as its factorization.

122555231421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450275337968.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 122555231421031 its reverse (130124132555221), we get a palindrome (252679363976252).

The spelling of 122555231421031 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, four hundred twenty-one thousand, thirty-one".