21220010110202 has 64 divisors (see below), whose sum is σ = 33148688120064. Its totient is φ = 10180881446400.

The previous prime is 21220010110151. The next prime is 21220010110207. The reversal of 21220010110202 is 20201101002212.

It is not an unprimeable number, because it can be changed into a prime (21220010110207) 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 31 ways as a sum of consecutive naturals, for example, 4327962083 + ... + 4327966985.

It is an arithmetic number, because the mean of its divisors is an integer number (517948251876).

Almost surely, 2^{21220010110202} is an apocalyptic number.

21220010110202 is a deficient number, since it is larger than the sum of its proper divisors (11928678009862).

21220010110202 is a wasteful number, since it uses less digits than its factorization.

21220010110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8823.

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

Adding to 21220010110202 its reverse (20201101002212), we get a palindrome (41421111112414).

The spelling of 21220010110202 in words is "twenty-one trillion, two hundred twenty billion, ten million, one hundred ten thousand, two hundred two".