321422202113 has 4 divisors (see below), whose sum is σ = 325033687620. Its totient is φ = 317810716608.

The previous prime is 321422202067. The next prime is 321422202121. The reversal of 321422202113 is 311202224123.

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 40488281089 + 280933921024 = 201217^2 + 530032^2 .

It is a cyclic number.

It is not a de Polignac number, because 321422202113 - 2²⁴ = 321405424897 is a prime.

It is a super-2 number, since 2×321422202113² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321422202163) 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, 1805742620 + ... + 1805742797.

It is an arithmetic number, because the mean of its divisors is an integer number (81258421905).

Almost surely, 2^321422202113 is an apocalyptic number.

It is an amenable number.

321422202113 is a deficient number, since it is larger than the sum of its proper divisors (3611485507).

321422202113 is an equidigital number, since it uses as much as digits as its factorization.

321422202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611485506.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 321422202113 its reverse (311202224123), we get a palindrome (632624426236).

The spelling of 321422202113 in words is "three hundred twenty-one billion, four hundred twenty-two million, two hundred two thousand, one hundred thirteen".