112210213221 has 8 divisors (see below), whose sum is σ = 166237352960. Its totient is φ = 74806808796.

The previous prime is 112210213217. The next prime is 112210213231. The reversal of 112210213221 is 122312012211.

112210213221 is a `hidden beast` number, since 11 + 221 + 0 + 213 + 221 = 666.

It is not a de Polignac number, because 112210213221 - 2² = 112210213217 is a prime.

It is a super-2 number, since 2×112210213221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112210213194 and 112210213203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112210213231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2077966885 + ... + 2077966938.

It is an arithmetic number, because the mean of its divisors is an integer number (20779669120).

Almost surely, 2^112210213221 is an apocalyptic number.

It is an amenable number.

112210213221 is a deficient number, since it is larger than the sum of its proper divisors (54027139739).

112210213221 is an equidigital number, since it uses as much as digits as its factorization.

112210213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155933832 (or 4155933826 counting only the distinct ones).

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

Adding to 112210213221 its reverse (122312012211), we get a palindrome (234522225432).

The spelling of 112210213221 in words is "one hundred twelve billion, two hundred ten million, two hundred thirteen thousand, two hundred twenty-one".