21202202100110 has 128 divisors (see below), whose sum is σ = 42929410320000. Its totient is φ = 7492161650688.

The previous prime is 21202202100097. The next prime is 21202202100113. The reversal of 21202202100110 is 1100120220212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202202100113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191008706 + ... + 191119674.

It is an arithmetic number, because the mean of its divisors is an integer number (335386018125).

Almost surely, 2^{21202202100110} is an apocalyptic number.

21202202100110 is an abundant number, since it is smaller than the sum of its proper divisors (21727208219890).

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

21202202100110 is a wasteful number, since it uses less digits than its factorization.

21202202100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111558.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21202202100110 its reverse (1100120220212), we get a palindrome (22302322320322).

The spelling of 21202202100110 in words is "twenty-one trillion, two hundred two billion, two hundred two million, one hundred thousand, one hundred ten".