3001220003021 has 4 divisors (see below), whose sum is σ = 3001272409344. Its totient is φ = 3001167596700.

The previous prime is 3001220003011. The next prime is 3001220003053. The reversal of 3001220003021 is 1203000221003.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 3001220003021 - 2¹⁸ = 3001219740877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3001220002987 and 3001220003005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001220003011) 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, 26117165 + ... + 26231826.

It is an arithmetic number, because the mean of its divisors is an integer number (750318102336).

Almost surely, 2^{3001220003021} is an apocalyptic number.

It is an amenable number.

3001220003021 is a deficient number, since it is larger than the sum of its proper divisors (52406323).

3001220003021 is an equidigital number, since it uses as much as digits as its factorization.

3001220003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52406322.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 3001220003021 its reverse (1203000221003), we get a palindrome (4204220224024).

The spelling of 3001220003021 in words is "three trillion, one billion, two hundred twenty million, three thousand, twenty-one".