21200101200222 has 32 divisors (see below), whose sum is σ = 48711077720064. Its totient is φ = 6025458828000.

The previous prime is 21200101200193. The next prime is 21200101200331. The reversal of 21200101200222 is 22200210100212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321364529 + ... + 1321380572.

It is an arithmetic number, because the mean of its divisors is an integer number (1522221178752).

Almost surely, 2^{21200101200222} is an apocalyptic number.

21200101200222 is an abundant number, since it is smaller than the sum of its proper divisors (27510976519842).

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

21200101200222 is a wasteful number, since it uses less digits than its factorization.

21200101200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642745304.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21200101200222 its reverse (22200210100212), we get a palindrome (43400311300434).

The spelling of 21200101200222 in words is "twenty-one trillion, two hundred billion, one hundred one million, two hundred thousand, two hundred twenty-two".