200222022121 has 4 divisors (see below), whose sum is σ = 218424024144. Its totient is φ = 182020020100.

The previous prime is 200222022113. The next prime is 200222022137. The reversal of 200222022121 is 121220222002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200222022121 - 2³ = 200222022113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200222022095 and 200222022104.

It is not an unprimeable number, because it can be changed into a prime (200222022101) 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, 9101000995 + ... + 9101001016.

It is an arithmetic number, because the mean of its divisors is an integer number (54606006036).

Almost surely, 2^200222022121 is an apocalyptic number.

It is an amenable number.

200222022121 is a deficient number, since it is larger than the sum of its proper divisors (18202002023).

200222022121 is a wasteful number, since it uses less digits than its factorization.

200222022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18202002022.

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

Adding to 200222022121 its reverse (121220222002), we get a palindrome (321442244123).

The spelling of 200222022121 in words is "two hundred billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty-one".