3021621204244 has 24 divisors (see below), whose sum is σ = 5378317812000. Its totient is φ = 1484967128160.

The previous prime is 3021621204227. The next prime is 3021621204253. The reversal of 3021621204244 is 4424021261203.

It is a super-2 number, since 2×3021621204244² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470254 + ... + 2502874.

It is an arithmetic number, because the mean of its divisors is an integer number (224096575500).

Almost surely, 2^{3021621204244} is an apocalyptic number.

It is an amenable number.

3021621204244 is a deficient number, since it is larger than the sum of its proper divisors (2356696607756).

3021621204244 is a wasteful number, since it uses less digits than its factorization.

3021621204244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038983 (or 2038981 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 3021621204244 its reverse (4424021261203), we get a palindrome (7445642465447).

The spelling of 3021621204244 in words is "three trillion, twenty-one billion, six hundred twenty-one million, two hundred four thousand, two hundred forty-four".