122203231321 has 8 divisors (see below), whose sum is σ = 124333754184. Its totient is φ = 120076811520.

The previous prime is 122203231313. The next prime is 122203231327. The reversal of 122203231321 is 123132302221.

It can be written as a sum of positive squares in 4 ways, for example, as 97713225 + 122105518096 = 9885^2 + 349436^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122203231321 - 2³ = 122203231313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122203231292 and 122203231301.

It is not an unprimeable number, because it can be changed into a prime (122203231327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965650 + ... + 1084843.

It is an arithmetic number, because the mean of its divisors is an integer number (15541719273).

Almost surely, 2^122203231321 is an apocalyptic number.

It is an amenable number.

122203231321 is a deficient number, since it is larger than the sum of its proper divisors (2130522863).

122203231321 is an equidigital number, since it uses as much as digits as its factorization.

122203231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051531.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122203231321 its reverse (123132302221), we get a palindrome (245335533542).

The spelling of 122203231321 in words is "one hundred twenty-two billion, two hundred three million, two hundred thirty-one thousand, three hundred twenty-one".