4221111031504 has 80 divisors (see below), whose sum is σ = 9107481369600. Its totient is φ = 1886057072640.

The previous prime is 4221111031339. The next prime is 4221111031523. The reversal of 4221111031504 is 4051301111224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4275804 + ... + 5169595.

It is an arithmetic number, because the mean of its divisors is an integer number (113843517120).

Almost surely, 2^{4221111031504} is an apocalyptic number.

It is an amenable number.

4221111031504 is an abundant number, since it is smaller than the sum of its proper divisors (4886370338096).

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

4221111031504 is a wasteful number, since it uses less digits than its factorization.

4221111031504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445508 (or 9445502 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 4221111031504 its reverse (4051301111224), we get a palindrome (8272412142728).

The spelling of 4221111031504 in words is "four trillion, two hundred twenty-one billion, one hundred eleven million, thirty-one thousand, five hundred four".