21200222110010 has 8 divisors (see below), whose sum is σ = 38160399798036. Its totient is φ = 8480088844000.

The previous prime is 21200222110007. The next prime is 21200222110027. The reversal of 21200222110010 is 1001122200212.

It can be written as a sum of positive squares in 2 ways, for example, as 21010846570081 + 189375539929 = 4583759^2 + 435173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060011105491 + ... + 1060011105510.

Almost surely, 2^{21200222110010} is an apocalyptic number.

21200222110010 is a deficient number, since it is larger than the sum of its proper divisors (16960177688026).

21200222110010 is a wasteful number, since it uses less digits than its factorization.

21200222110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120022211008.

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

Adding to 21200222110010 its reverse (1001122200212), we get a palindrome (22201344310222).

The spelling of 21200222110010 in words is "twenty-one trillion, two hundred billion, two hundred twenty-two million, one hundred ten thousand, ten".