323212220022101 has 4 divisors (see below), whose sum is σ = 327639784680012. Its totient is φ = 318784655364192.

The previous prime is 323212220022031. The next prime is 323212220022137. The reversal of 323212220022101 is 101220022212323.

It is a happy number.

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 146988320767876 + 176223899254225 = 12123874^2 + 13274935^2 .

It is a cyclic number.

It is not a de Polignac number, because 323212220022101 - 2²² = 323212215827797 is a prime.

It is a super-2 number, since 2×323212220022101² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212220024101) 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, 2213782328846 + ... + 2213782328991.

It is an arithmetic number, because the mean of its divisors is an integer number (81909946170003).

Almost surely, 2^{323212220022101} is an apocalyptic number.

It is an amenable number.

323212220022101 is a deficient number, since it is larger than the sum of its proper divisors (4427564657911).

323212220022101 is an equidigital number, since it uses as much as digits as its factorization.

323212220022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427564657910.

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

Adding to 323212220022101 its reverse (101220022212323), we get a palindrome (424432242234424).

The spelling of 323212220022101 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred twenty million, twenty-two thousand, one hundred one".