21200112222202 has 8 divisors (see below), whose sum is σ = 32274797711616. Its totient is φ = 10441846318332.

The previous prime is 21200112222167. The next prime is 21200112222209. The reversal of 21200112222202 is 20222221100212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21200112222202.

It is not an unprimeable number, because it can be changed into a prime (21200112222209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79104896218 + ... + 79104896485.

It is an arithmetic number, because the mean of its divisors is an integer number (4034349713952).

Almost surely, 2^{21200112222202} is an apocalyptic number.

21200112222202 is a deficient number, since it is larger than the sum of its proper divisors (11074685489414).

21200112222202 is a wasteful number, since it uses less digits than its factorization.

21200112222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158209792772.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 21200112222202 its reverse (20222221100212), we get a palindrome (41422333322414).

The spelling of 21200112222202 in words is "twenty-one trillion, two hundred billion, one hundred twelve million, two hundred twenty-two thousand, two hundred two".