21222200200001 has 8 divisors (see below), whose sum is σ = 21253170510720. Its totient is φ = 21191233929712.

The previous prime is 21222200199911. The next prime is 21222200200007. The reversal of 21222200200001 is 10000200222212.

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

It is a cyclic number.

It is not a de Polignac number, because 21222200200001 - 2¹⁰ = 21222200198977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21222200200007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9583451 + ... + 11588223.

It is an arithmetic number, because the mean of its divisors is an integer number (2656646313840).

Almost surely, 2^{21222200200001} is an apocalyptic number.

It is an amenable number.

21222200200001 is a deficient number, since it is larger than the sum of its proper divisors (30970310719).

21222200200001 is a wasteful number, since it uses less digits than its factorization.

21222200200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020215.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21222200200001 its reverse (10000200222212), we get a palindrome (31222400422213).

The spelling of 21222200200001 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred million, two hundred thousand, one".