21220222200110 has 16 divisors (see below), whose sum is σ = 38766495483216. Its totient is φ = 8361400986048.

The previous prime is 21220222200097. The next prime is 21220222200113. The reversal of 21220222200110 is 1100222202212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21220222200113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15835986047 + ... + 15835987386.

It is an arithmetic number, because the mean of its divisors is an integer number (2422905967701).

Almost surely, 2^{21220222200110} is an apocalyptic number.

21220222200110 is a deficient number, since it is larger than the sum of its proper divisors (17546273283106).

21220222200110 is a wasteful number, since it uses less digits than its factorization.

21220222200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31671973507.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21220222200110 its reverse (1100222202212), we get a palindrome (22320444402322).

The spelling of 21220222200110 in words is "twenty-one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred thousand, one hundred ten".