122321331001 has 4 divisors (see below), whose sum is σ = 122323098100. Its totient is φ = 122319563904.

The previous prime is 122321330947. The next prime is 122321331007. The reversal of 122321331001 is 100133123221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11882090025 + 110439240976 = 109005^2 + 332324^2 .

It is a cyclic number.

It is not a de Polignac number, because 122321331001 - 2⁹ = 122321330489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122321331001.

It is not an unprimeable number, because it can be changed into a prime (122321331007) 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, 775296 + ... + 919633.

It is an arithmetic number, because the mean of its divisors is an integer number (30580774525).

Almost surely, 2^122321331001 is an apocalyptic number.

It is an amenable number.

122321331001 is a deficient number, since it is larger than the sum of its proper divisors (1767099).

122321331001 is an equidigital number, since it uses as much as digits as its factorization.

122321331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767098.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 122321331001 its reverse (100133123221), we get a palindrome (222454454222).

The spelling of 122321331001 in words is "one hundred twenty-two billion, three hundred twenty-one million, three hundred thirty-one thousand, one".