4112213221 has 4 divisors (see below), whose sum is σ = 4112392032. Its totient is φ = 4112034412.

The previous prime is 4112213213. The next prime is 4112213233. The reversal of 4112213221 is 1223122114.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4112213221 - 2³ = 4112213213 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 (4112213251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48745 + ... + 102958.

It is an arithmetic number, because the mean of its divisors is an integer number (1028098008).

Almost surely, 2^4112213221 is an apocalyptic number.

It is an amenable number.

4112213221 is a deficient number, since it is larger than the sum of its proper divisors (178811).

4112213221 is a wasteful number, since it uses less digits than its factorization.

4112213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178810.

The product of its digits is 192, while the sum is 19.

The square root of 4112213221 is about 64126.5406910430. The cubic root of 4112213221 is about 1602.1083171384.

Adding to 4112213221 its reverse (1223122114), we get a palindrome (5335335335).

The spelling of 4112213221 in words is "four billion, one hundred twelve million, two hundred thirteen thousand, two hundred twenty-one".