221112102213 has 8 divisors (see below), whose sum is σ = 327573484800. Its totient is φ = 147408068124.

The previous prime is 221112102149. The next prime is 221112102269. The reversal of 221112102213 is 312201211122.

221112102213 is a `hidden beast` number, since 221 + 11 + 210 + 221 + 3 = 666.

It is not a de Polignac number, because 221112102213 - 2⁶ = 221112102149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112102413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4094668533 + ... + 4094668586.

It is an arithmetic number, because the mean of its divisors is an integer number (40946685600).

Almost surely, 2^221112102213 is an apocalyptic number.

It is an amenable number.

221112102213 is a deficient number, since it is larger than the sum of its proper divisors (106461382587).

221112102213 is an equidigital number, since it uses as much as digits as its factorization.

221112102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189337128 (or 8189337122 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 221112102213 its reverse (312201211122), we get a palindrome (533313313335).

The spelling of 221112102213 in words is "two hundred twenty-one billion, one hundred twelve million, one hundred two thousand, two hundred thirteen".