3023121221 has 8 divisors (see below), whose sum is σ = 3040456320. Its totient is φ = 3005806608.

The previous prime is 3023121163. The next prime is 3023121229. The reversal of 3023121221 is 1221213203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3023121221 - 2¹⁰ = 3023120197 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 3023121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023121229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366080 + ... + 374246.

It is an arithmetic number, because the mean of its divisors is an integer number (380057040).

Almost surely, 2^3023121221 is an apocalyptic number.

It is an amenable number.

3023121221 is a deficient number, since it is larger than the sum of its proper divisors (17335099).

3023121221 is a wasteful number, since it uses less digits than its factorization.

3023121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10243.

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

The square root of 3023121221 is about 54982.9175380863. The cubic root of 3023121221 is about 1445.9452667323.

Adding to 3023121221 its reverse (1221213203), we get a palindrome (4244334424).

The spelling of 3023121221 in words is "three billion, twenty-three million, one hundred twenty-one thousand, two hundred twenty-one".