3001332222221 has 4 divisors (see below), whose sum is σ = 3010238252892. Its totient is φ = 2992426191552.

The previous prime is 3001332222191. The next prime is 3001332222227. The reversal of 3001332222221 is 1222222331003.

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 1467175012900 + 1534157209321 = 1211270^2 + 1238611^2 .

It is a cyclic number.

It is not a de Polignac number, because 3001332222221 - 2⁶ = 3001332222157 is a prime.

It is a super-2 number, since 2×3001332222221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001332222227) 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, 4453014830 + ... + 4453015503.

It is an arithmetic number, because the mean of its divisors is an integer number (752559563223).

Almost surely, 2^{3001332222221} is an apocalyptic number.

It is an amenable number.

3001332222221 is a deficient number, since it is larger than the sum of its proper divisors (8906030671).

3001332222221 is an equidigital number, since it uses as much as digits as its factorization.

3001332222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906030670.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 3001332222221 its reverse (1222222331003), we get a palindrome (4223554553224).

The spelling of 3001332222221 in words is "three trillion, one billion, three hundred thirty-two million, two hundred twenty-two thousand, two hundred twenty-one".