3001020121221 has 8 divisors (see below), whose sum is σ = 4001368169664. Its totient is φ = 2000676076800.

The previous prime is 3001020121217. The next prime is 3001020121223. The reversal of 3001020121221 is 1221210201003.

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

It is not a de Polignac number, because 3001020121221 - 2² = 3001020121217 is a prime.

It is a super-2 number, since 2×3001020121221² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3001020121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001020121223) 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, 2359525 + ... + 3401381.

It is an arithmetic number, because the mean of its divisors is an integer number (500171021208).

Almost surely, 2^{3001020121221} is an apocalyptic number.

It is an amenable number.

3001020121221 is a deficient number, since it is larger than the sum of its proper divisors (1000348048443).

3001020121221 is a wasteful number, since it uses less digits than its factorization.

3001020121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002011.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 3001020121221 its reverse (1221210201003), we get a palindrome (4222230322224).

The spelling of 3001020121221 in words is "three trillion, one billion, twenty million, one hundred twenty-one thousand, two hundred twenty-one".