4044222111321 has 72 divisors (see below), whose sum is σ = 7461609049440. Its totient is φ = 2175043715712.

The previous prime is 4044222111299. The next prime is 4044222111407. The reversal of 4044222111321 is 1231112224404.

4044222111321 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 222 + 111 + 321 = 666.

It is not a de Polignac number, because 4044222111321 - 2⁶ = 4044222111257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4044222111421) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9787311 + ... + 10192148.

It is an arithmetic number, because the mean of its divisors is an integer number (103633459020).

Almost surely, 2^{4044222111321} is an apocalyptic number.

It is an amenable number.

4044222111321 is a deficient number, since it is larger than the sum of its proper divisors (3417386938119).

4044222111321 is a wasteful number, since it uses less digits than its factorization.

4044222111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19979505 (or 19979486 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 4044222111321 its reverse (1231112224404), we get a palindrome (5275334335725).

The spelling of 4044222111321 in words is "four trillion, forty-four billion, two hundred twenty-two million, one hundred eleven thousand, three hundred twenty-one".