3023221121 has 4 divisors (see below), whose sum is σ = 3051475632. Its totient is φ = 2994966612.

The previous prime is 3023221093. The next prime is 3023221139. The reversal of 3023221121 is 1211223203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1211223203 = 457 ⋅2650379.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3023221121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3023221121.

It is not an unprimeable number, because it can be changed into a prime (3023221171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14127095 + ... + 14127308.

It is an arithmetic number, because the mean of its divisors is an integer number (762868908).

Almost surely, 2^3023221121 is an apocalyptic number.

It is an amenable number.

3023221121 is a deficient number, since it is larger than the sum of its proper divisors (28254511).

3023221121 is a wasteful number, since it uses less digits than its factorization.

3023221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28254510.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3023221121 is about 54983.8259945595. The cubic root of 3023221121 is about 1445.9611937969.

Adding to 3023221121 its reverse (1211223203), we get a palindrome (4234444324).

The spelling of 3023221121 in words is "three billion, twenty-three million, two hundred twenty-one thousand, one hundred twenty-one".