4112042221 has 12 divisors (see below), whose sum is σ = 4784452320. Its totient is φ = 3523829400.

The previous prime is 4112042219. The next prime is 4112042243. The reversal of 4112042221 is 1222402114.

It is not a de Polignac number, because 4112042221 - 2¹ = 4112042219 is a prime.

It is a super-2 number, since 2×4112042221² = 33817782454573225682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4112042201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380746 + ... + 391396.

It is an arithmetic number, because the mean of its divisors is an integer number (398704360).

Almost surely, 2^4112042221 is an apocalyptic number.

It is an amenable number.

4112042221 is a deficient number, since it is larger than the sum of its proper divisors (672410099).

4112042221 is a wasteful number, since it uses less digits than its factorization.

4112042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18544 (or 18537 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4112042221 is about 64125.2073758830. The cubic root of 4112042221 is about 1602.0861097686.

Adding to 4112042221 its reverse (1222402114), we get a palindrome (5334444335).

It can be divided in two parts, 4 and 112042221, that added together give a square (112042225 = 10585²).

The spelling of 4112042221 in words is "four billion, one hundred twelve million, forty-two thousand, two hundred twenty-one".