322031122121 has 4 divisors (see below), whose sum is σ = 322070882244. Its totient is φ = 321991362000.

The previous prime is 322031122069. The next prime is 322031122169. The reversal of 322031122121 is 121221130223.

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 261729444025 + 60301678096 = 511595^2 + 245564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322031122121 is a prime.

It is a super-2 number, since 2×322031122121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322031122093 and 322031122102.

It is not an unprimeable number, because it can be changed into a prime (322031122181) 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, 19867910 + ... + 19884111.

It is an arithmetic number, because the mean of its divisors is an integer number (80517720561).

Almost surely, 2^322031122121 is an apocalyptic number.

It is an amenable number.

322031122121 is a deficient number, since it is larger than the sum of its proper divisors (39760123).

322031122121 is an equidigital number, since it uses as much as digits as its factorization.

322031122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39760122.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 322031122121 its reverse (121221130223), we get a palindrome (443252252344).

The spelling of 322031122121 in words is "three hundred twenty-two billion, thirty-one million, one hundred twenty-two thousand, one hundred twenty-one".