222221210010210 has 48 divisors (see below), whose sum is σ = 585088755488640. Its totient is φ = 58508875545120.

The previous prime is 222221210010199. The next prime is 222221210010211. The reversal of 222221210010210 is 12010012122222.

It is a happy number.

222221210010210 is a `hidden beast` number, since 2 + 22 + 221 + 210 + 0 + 1 + 0 + 210 = 666.

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 (222221210010211) 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, 15627363496 + ... + 15627377715.

It is an arithmetic number, because the mean of its divisors is an integer number (12189349072680).

Almost surely, 2^{222221210010210} is an apocalyptic number.

222221210010210 is an abundant number, since it is smaller than the sum of its proper divisors (362867545478430).

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

222221210010210 is a wasteful number, since it uses less digits than its factorization.

222221210010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31254741303 (or 31254741300 counting only the distinct ones).

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

Adding to 222221210010210 its reverse (12010012122222), we get a palindrome (234231222132432).

The spelling of 222221210010210 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred ten million, ten thousand, two hundred ten".