122537130362221 has 4 divisors (see below), whose sum is σ = 122537180700000. Its totient is φ = 122537080024444.

The previous prime is 122537130362219. The next prime is 122537130362233. The reversal of 122537130362221 is 122263031735221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122537130362221 - 2¹ = 122537130362219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122537130362261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21321391 + ... + 26451388.

It is an arithmetic number, because the mean of its divisors is an integer number (30634295175000).

Almost surely, 2^{122537130362221} is an apocalyptic number.

It is an amenable number.

122537130362221 is a deficient number, since it is larger than the sum of its proper divisors (50337779).

122537130362221 is an equidigital number, since it uses as much as digits as its factorization.

122537130362221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50337778.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 122537130362221 in words is "one hundred twenty-two trillion, five hundred thirty-seven billion, one hundred thirty million, three hundred sixty-two thousand, two hundred twenty-one".