3023313221021 has 4 divisors (see below), whose sum is σ = 3023317130652. Its totient is φ = 3023309311392.

The previous prime is 3023313221003. The next prime is 3023313221029. The reversal of 3023313221021 is 1201223133203.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2522573004121 + 500740216900 = 1588261^2 + 707630^2 .

It is a cyclic number.

It is not a de Polignac number, because 3023313221021 - 2³⁸ = 2748435314077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023313221029) 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, 362546 + ... + 2485571.

It is an arithmetic number, because the mean of its divisors is an integer number (755829282663).

Almost surely, 2^{3023313221021} is an apocalyptic number.

It is an amenable number.

3023313221021 is a deficient number, since it is larger than the sum of its proper divisors (3909631).

3023313221021 is a wasteful number, since it uses less digits than its factorization.

3023313221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909630.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3023313221021 its reverse (1201223133203), we get a palindrome (4224536354224).

The spelling of 3023313221021 in words is "three trillion, twenty-three billion, three hundred thirteen million, two hundred twenty-one thousand, twenty-one".