200222120221 has 8 divisors (see below), whose sum is σ = 200513115000. Its totient is φ = 199931289600.

The previous prime is 200222120207. The next prime is 200222120237. The reversal of 200222120221 is 122021222002.

It can be written as a sum of positive squares in 4 ways, for example, as 11528316900 + 188693803321 = 107370^2 + 434389^2 .

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 200222120221 - 2⁹ = 200222119709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200222120195 and 200222120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200222120321) 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, 2514621 + ... + 2593021.

It is an arithmetic number, because the mean of its divisors is an integer number (25064139375).

Almost surely, 2^200222120221 is an apocalyptic number.

It is an amenable number.

200222120221 is a deficient number, since it is larger than the sum of its proper divisors (290994779).

200222120221 is an equidigital number, since it uses as much as digits as its factorization.

200222120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82079.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 200222120221 its reverse (122021222002), we get a palindrome (322243342223).

The spelling of 200222120221 in words is "two hundred billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-one".