221222340213110 has 16 divisors (see below), whose sum is σ = 404143499136816. Its totient is φ = 87168205695648.

The previous prime is 221222340213089. The next prime is 221222340213113. The reversal of 221222340213110 is 11312043222122.

It is a self number, because there is not a number n which added to its sum of digits gives 221222340213110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222340213113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 165091297997 + ... + 165091299336.

It is an arithmetic number, because the mean of its divisors is an integer number (25258968696051).

Almost surely, 2^{221222340213110} is an apocalyptic number.

221222340213110 is a deficient number, since it is larger than the sum of its proper divisors (182921158923706).

221222340213110 is a wasteful number, since it uses less digits than its factorization.

221222340213110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330182597407.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 221222340213110 its reverse (11312043222122), we get a palindrome (232534383435232).

The spelling of 221222340213110 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, three hundred forty million, two hundred thirteen thousand, one hundred ten".