21200010112210 has 32 divisors (see below), whose sum is σ = 38185229578752. Its totient is φ = 8474403315840.

The previous prime is 21200010112181. The next prime is 21200010112247. The reversal of 21200010112210 is 1221101000212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96903967 + ... + 97122493.

It is an arithmetic number, because the mean of its divisors is an integer number (1193288424336).

Almost surely, 2^{21200010112210} is an apocalyptic number.

21200010112210 is a deficient number, since it is larger than the sum of its proper divisors (16985219466542).

21200010112210 is a wasteful number, since it uses less digits than its factorization.

21200010112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224898.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21200010112210 its reverse (1221101000212), we get a palindrome (22421111112422).

The spelling of 21200010112210 in words is "twenty-one trillion, two hundred billion, ten million, one hundred twelve thousand, two hundred ten".