221110210200222 has 48 divisors (see below), whose sum is σ = 547568760061440. Its totient is φ = 63167680766736.

The previous prime is 221110210200053. The next prime is 221110210200227. The reversal of 221110210200222 is 222002012011122.

It is a happy number.

221110210200222 is a `hidden beast` number, since 2 + 21 + 1 + 10 + 210 + 200 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 221110210200195 and 221110210200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110210200227) 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, 91370418 + ... + 93759125.

It is an arithmetic number, because the mean of its divisors is an integer number (11407682501280).

Almost surely, 2^{221110210200222} is an apocalyptic number.

221110210200222 is an abundant number, since it is smaller than the sum of its proper divisors (326458549861218).

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

221110210200222 is a wasteful number, since it uses less digits than its factorization.

221110210200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185139037 (or 185139034 counting only the distinct ones).

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

Adding to 221110210200222 its reverse (222002012011122), we get a palindrome (443112222211344).

The spelling of 221110210200222 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred ten million, two hundred thousand, two hundred twenty-two".