222212120002110 has 384 divisors, whose sum is σ = 683600919116544. Its totient is φ = 49021735403520.

The previous prime is 222212120002051. The next prime is 222212120002123. The reversal of 222212120002110 is 11200021212222.

It is a happy number.

222212120002110 is a `hidden beast` number, since 22 + 221 + 212 + 0 + 0 + 0 + 211 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1443674514 + ... + 1443828426.

It is an arithmetic number, because the mean of its divisors is an integer number (1780210726866).

Almost surely, 2^{222212120002110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222212120002110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341800459558272).

222212120002110 is an abundant number, since it is smaller than the sum of its proper divisors (461388799114434).

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

222212120002110 is a wasteful number, since it uses less digits than its factorization.

222212120002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154468 (or 154465 counting only the distinct ones).

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

Adding to 222212120002110 its reverse (11200021212222), we get a palindrome (233412141214332).

The spelling of 222212120002110 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred twenty million, two thousand, one hundred ten".