222110100221 has 8 divisors (see below), whose sum is σ = 235241766720. Its totient is φ = 208985807808.

The previous prime is 222110100161. The next prime is 222110100253. The reversal of 222110100221 is 122001011222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222110100221 - 2¹⁴ = 222110083837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222110100196 and 222110100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110105221) 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, 1781441 + ... + 1902038.

It is an arithmetic number, because the mean of its divisors is an integer number (29405220840).

Almost surely, 2^222110100221 is an apocalyptic number.

It is an amenable number.

222110100221 is a deficient number, since it is larger than the sum of its proper divisors (13131666499).

222110100221 is a wasteful number, since it uses less digits than its factorization.

222110100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687043.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222110100221 its reverse (122001011222), we get a palindrome (344111111443).

The spelling of 222110100221 in words is "two hundred twenty-two billion, one hundred ten million, one hundred thousand, two hundred twenty-one".