4113312221021 has 16 divisors (see below), whose sum is σ = 4549195872000. Its totient is φ = 3701567831808.

The previous prime is 4113312221017. The next prime is 4113312221041. The reversal of 4113312221021 is 1201222133114.

It is not a de Polignac number, because 4113312221021 - 2² = 4113312221017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4113312221041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40451321 + ... + 40552878.

It is an arithmetic number, because the mean of its divisors is an integer number (284324742000).

Almost surely, 2^{4113312221021} is an apocalyptic number.

It is an amenable number.

4113312221021 is a deficient number, since it is larger than the sum of its proper divisors (435883650979).

4113312221021 is a wasteful number, since it uses less digits than its factorization.

4113312221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81004348.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 4113312221021 its reverse (1201222133114), we get a palindrome (5314534354135).

The spelling of 4113312221021 in words is "four trillion, one hundred thirteen billion, three hundred twelve million, two hundred twenty-one thousand, twenty-one".