4021331322004 has 24 divisors (see below), whose sum is σ = 7207105078656. Its totient is φ = 1962719220000.

The previous prime is 4021331321999. The next prime is 4021331322007. The reversal of 4021331322004 is 4002231331204.

It is a super-2 number, since 2×4021331322004² (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 4021331322004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021331322007) 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, 70068432 + ... + 70125799.

It is an arithmetic number, because the mean of its divisors is an integer number (300296044944).

Almost surely, 2^{4021331322004} is an apocalyptic number.

It is an amenable number.

4021331322004 is a deficient number, since it is larger than the sum of its proper divisors (3185773756652).

4021331322004 is a wasteful number, since it uses less digits than its factorization.

4021331322004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140194407 (or 140194405 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 4021331322004 its reverse (4002231331204), we get a palindrome (8023562653208).

The spelling of 4021331322004 in words is "four trillion, twenty-one billion, three hundred thirty-one million, three hundred twenty-two thousand, four".