222001112112210 has 48 divisors (see below), whose sum is σ = 597106439481240. Its totient is φ = 57158907025920.

The previous prime is 222001112112191. The next prime is 222001112112211. The reversal of 222001112112210 is 12211211100222.

222001112112210 is a `hidden beast` number, since 2 + 220 + 0 + 1 + 11 + 211 + 221 + 0 = 666.

222001112112210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 149485174846569 + 72515937265641 = 12226413^2 + 8515629^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222001112112211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42528946071 + ... + 42528951290.

Almost surely, 2^{222001112112210} is an apocalyptic number.

222001112112210 is an abundant number, since it is smaller than the sum of its proper divisors (375105327369030).

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

222001112112210 is a wasteful number, since it uses less digits than its factorization.

222001112112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85057897403 (or 85057897400 counting only the distinct ones).

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

Adding to 222001112112210 its reverse (12211211100222), we get a palindrome (234212323212432).

The spelling of 222001112112210 in words is "two hundred twenty-two trillion, one billion, one hundred twelve million, one hundred twelve thousand, two hundred ten".