222102212001210 has 48 divisors (see below), whose sum is σ = 596093678668800. Its totient is φ = 57316699870560.

The previous prime is 222102212001209. The next prime is 222102212001281. The reversal of 222102212001210 is 12100212201222.

It is a happy number.

222102212001210 is a `hidden beast` number, since 2 + 2 + 210 + 221 + 20 + 0 + 1 + 210 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39803261010 + ... + 39803266589.

It is an arithmetic number, because the mean of its divisors is an integer number (12418618305600).

Almost surely, 2^{222102212001210} is an apocalyptic number.

222102212001210 is an abundant number, since it is smaller than the sum of its proper divisors (373991466667590).

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

222102212001210 is a wasteful number, since it uses less digits than its factorization.

222102212001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79606527643 (or 79606527640 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222102212001210 its reverse (12100212201222), we get a palindrome (234202424202432).

The spelling of 222102212001210 in words is "two hundred twenty-two trillion, one hundred two billion, two hundred twelve million, one thousand, two hundred ten".