221112003213 has 6 divisors (see below), whose sum is σ = 319384004654. Its totient is φ = 147408002136.

The previous prime is 221112003199. The next prime is 221112003227. The reversal of 221112003213 is 312300211122.

221112003213 is a `hidden beast` number, since 221 + 1 + 120 + 0 + 321 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (221112003199) and next prime (221112003227).

It can be written as a sum of positive squares in only one way, i.e., 144854837604 + 76257165609 = 380598^2 + 276147^2 .

It is not a de Polignac number, because 221112003213 - 2⁵ = 221112003181 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 (221112003613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12284000170 + ... + 12284000187.

Almost surely, 2^221112003213 is an apocalyptic number.

It is an amenable number.

221112003213 is a deficient number, since it is larger than the sum of its proper divisors (98272001441).

221112003213 is a wasteful number, since it uses less digits than its factorization.

221112003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24568000363 (or 24568000360 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 221112003213 its reverse (312300211122), we get a palindrome (533412214335).

The spelling of 221112003213 in words is "two hundred twenty-one billion, one hundred twelve million, three thousand, two hundred thirteen".