200222121 has 16 divisors (see below), whose sum is σ = 291902400. Its totient is φ = 121067520.

The previous prime is 200222093. The next prime is 200222129. The reversal of 200222121 is 121222002.

It is not a de Polignac number, because 200222121 - 2¹¹ = 200220073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200222097 and 200222106.

It is not an unprimeable number, because it can be changed into a prime (200222129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8061 + ... + 21573.

It is an arithmetic number, because the mean of its divisors is an integer number (18243900).

Almost surely, 2^200222121 is an apocalyptic number.

It is an amenable number.

200222121 is a deficient number, since it is larger than the sum of its proper divisors (91680279).

200222121 is a wasteful number, since it uses less digits than its factorization.

200222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13976.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 200222121 is about 14149.9866077675. The cubic root of 200222121 is about 585.0199627931.

Adding to 200222121 its reverse (121222002), we get a palindrome (321444123).

The spelling of 200222121 in words is "two hundred million, two hundred twenty-two thousand, one hundred twenty-one".