222211110012210 has 192 divisors, whose sum is σ = 664983033661440. Its totient is φ = 50915720016000.

The previous prime is 222211110012169. The next prime is 222211110012253. The reversal of 222211110012210 is 12210011112222.

222211110012210 is a `hidden beast` number, since 222 + 211 + 1 + 10 + 0 + 1 + 221 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5597596 + ... + 21811815.

It is an arithmetic number, because the mean of its divisors is an integer number (3463453300320).

Almost surely, 2^{222211110012210} is an apocalyptic number.

222211110012210 is an abundant number, since it is smaller than the sum of its proper divisors (442771923649230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222211110012210 is a wasteful number, since it uses less digits than its factorization.

222211110012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27409885 (or 27409882 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222211110012210 its reverse (12210011112222), we get a palindrome (234421121124432).

The spelling of 222211110012210 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred ten million, twelve thousand, two hundred ten".