3023321221121 has 4 divisors (see below), whose sum is σ = 3030936640212. Its totient is φ = 3015705802032.

The previous prime is 3023321221117. The next prime is 3023321221169. The reversal of 3023321221121 is 1211221233203.

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 1275914830096 + 1747406391025 = 1129564^2 + 1321895^2 .

It is a cyclic number.

It is not a de Polignac number, because 3023321221121 - 2² = 3023321221117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3023321221321) 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, 3807708950 + ... + 3807709743.

It is an arithmetic number, because the mean of its divisors is an integer number (757734160053).

Almost surely, 2^{3023321221121} is an apocalyptic number.

It is an amenable number.

3023321221121 is a deficient number, since it is larger than the sum of its proper divisors (7615419091).

3023321221121 is an equidigital number, since it uses as much as digits as its factorization.

3023321221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615419090.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3023321221121 its reverse (1211221233203), we get a palindrome (4234542454324).

The spelling of 3023321221121 in words is "three trillion, twenty-three billion, three hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-one".