222001222212110 has 32 divisors (see below), whose sum is σ = 435945542745600. Its totient is φ = 80724778272160.

The previous prime is 222001222212071. The next prime is 222001222212163. The reversal of 222001222212110 is 11212222100222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33699770 + ... + 39745149.

It is an arithmetic number, because the mean of its divisors is an integer number (13623298210800).

Almost surely, 2^{222001222212110} is an apocalyptic number.

222001222212110 is a deficient number, since it is larger than the sum of its proper divisors (213944320533490).

222001222212110 is a wasteful number, since it uses less digits than its factorization.

222001222212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73472416.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222001222212110 its reverse (11212222100222), we get a palindrome (233213444312332).

The spelling of 222001222212110 in words is "two hundred twenty-two trillion, one billion, two hundred twenty-two million, two hundred twelve thousand, one hundred ten".