122202312131321 has 4 divisors (see below), whose sum is σ = 122445259074432. Its totient is φ = 121959365188212.

The previous prime is 122202312131239. The next prime is 122202312131323. The reversal of 122202312131321 is 123131213202221.

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 122202312131321 - 2¹⁸ = 122202311869177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122202312131323) 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, 121473470801 + ... + 121473471806.

It is an arithmetic number, because the mean of its divisors is an integer number (30611314768608).

Almost surely, 2^{122202312131321} is an apocalyptic number.

It is an amenable number.

122202312131321 is a deficient number, since it is larger than the sum of its proper divisors (242946943111).

122202312131321 is an equidigital number, since it uses as much as digits as its factorization.

122202312131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242946943110.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 122202312131321 its reverse (123131213202221), we get a palindrome (245333525333542).

The spelling of 122202312131321 in words is "one hundred twenty-two trillion, two hundred two billion, three hundred twelve million, one hundred thirty-one thousand, three hundred twenty-one".