21110122102210 has 32 divisors (see below), whose sum is σ = 38066765577984. Its totient is φ = 8428818000000.

The previous prime is 21110122102169. The next prime is 21110122102217. The reversal of 21110122102210 is 1220122101112.

It is not an unprimeable number, because it can be changed into a prime (21110122102217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122113335 + ... + 122286085.

It is an arithmetic number, because the mean of its divisors is an integer number (1189586424312).

Almost surely, 2^{21110122102210} is an apocalyptic number.

21110122102210 is a deficient number, since it is larger than the sum of its proper divisors (16956643475774).

21110122102210 is a wasteful number, since it uses less digits than its factorization.

21110122102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194730.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21110122102210 its reverse (1220122101112), we get a palindrome (22330244203322).

The spelling of 21110122102210 in words is "twenty-one trillion, one hundred ten billion, one hundred twenty-two million, one hundred two thousand, two hundred ten".