3123221330101 has 4 divisors (see below), whose sum is σ = 3166005184012. Its totient is φ = 3080437476192.

The previous prime is 3123221330093. The next prime is 3123221330147. The reversal of 3123221330101 is 1010331223213.

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 965630502225 + 2157590827876 = 982665^2 + 1468874^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123221330101 - 2³ = 3123221330093 is a prime.

It is a super-2 number, since 2×3123221330101² (a number of 26 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 (3123221330501) 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, 21391926846 + ... + 21391926991.

It is an arithmetic number, because the mean of its divisors is an integer number (791501296003).

Almost surely, 2^{3123221330101} is an apocalyptic number.

It is an amenable number.

3123221330101 is a deficient number, since it is larger than the sum of its proper divisors (42783853911).

3123221330101 is an equidigital number, since it uses as much as digits as its factorization.

3123221330101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42783853910.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3123221330101 its reverse (1010331223213), we get a palindrome (4133552553314).

The spelling of 3123221330101 in words is "three trillion, one hundred twenty-three billion, two hundred twenty-one million, three hundred thirty thousand, one hundred one".