4021331111304 has 32 divisors (see below), whose sum is σ = 10826660685120. Its totient is φ = 1237332649536.

The previous prime is 4021331111293. The next prime is 4021331111339. The reversal of 4021331111304 is 4031111331204.

It is a happy number.

It is a super-2 number, since 2×4021331111304² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 6444440572 + ... + 6444441195.

It is an arithmetic number, because the mean of its divisors is an integer number (338333146410).

Almost surely, 2^{4021331111304} is an apocalyptic number.

It is an amenable number.

4021331111304 is an abundant number, since it is smaller than the sum of its proper divisors (6805329573816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021331111304 is a wasteful number, since it uses less digits than its factorization.

4021331111304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12888881789 (or 12888881785 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 4021331111304 its reverse (4031111331204), we get a palindrome (8052442442508).

The spelling of 4021331111304 in words is "four trillion, twenty-one billion, three hundred thirty-one million, one hundred eleven thousand, three hundred four".