222102212111010 has 576 divisors, whose sum is σ = 798051224715264. Its totient is φ = 41547792844800.

The previous prime is 222102212110913. The next prime is 222102212111011. The reversal of 222102212111010 is 10111212201222.

222102212111010 is a `hidden beast` number, since 2 + 2 + 210 + 221 + 211 + 10 + 10 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222102212111011) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 43652895 + ... + 48474525.

It is an arithmetic number, because the mean of its divisors is an integer number (1385505598464).

Almost surely, 2^{222102212111010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222102212111010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399025612357632).

222102212111010 is an abundant number, since it is smaller than the sum of its proper divisors (575949012604254).

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

222102212111010 is a wasteful number, since it uses less digits than its factorization.

222102212111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821719 (or 4821699 counting only the distinct ones).

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

Adding to 222102212111010 its reverse (10111212201222), we get a palindrome (232213424312232).

The spelling of 222102212111010 in words is "two hundred twenty-two trillion, one hundred two billion, two hundred twelve million, one hundred eleven thousand, ten".