3023122021 has 4 divisors (see below), whose sum is σ = 3032969632. Its totient is φ = 3013274412.

The previous prime is 3023122013. The next prime is 3023122051. The reversal of 3023122021 is 1202213203.

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: 1202213203 = 8527 ⋅140989.

It is a cyclic number.

It is not a de Polignac number, because 3023122021 - 2³ = 3023122013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3023121986 and 3023122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023122051) 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, 4923345 + ... + 4923958.

It is an arithmetic number, because the mean of its divisors is an integer number (758242408).

Almost surely, 2^3023122021 is an apocalyptic number.

It is an amenable number.

3023122021 is a deficient number, since it is larger than the sum of its proper divisors (9847611).

3023122021 is an equidigital number, since it uses as much as digits as its factorization.

3023122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9847610.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3023122021 is about 54982.9248130726. The cubic root of 3023122021 is about 1445.9453942778.

Adding to 3023122021 its reverse (1202213203), we get a palindrome (4225335224).

The spelling of 3023122021 in words is "three billion, twenty-three million, one hundred twenty-two thousand, twenty-one".