200222022222121 has 4 divisors (see below), whose sum is σ = 206680797132544. Its totient is φ = 193763247311700.

The previous prime is 200222022222119. The next prime is 200222022222133. The reversal of 200222022222121 is 121222220222002.

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 200222022222121 - 2¹ = 200222022222119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200222022222092 and 200222022222101.

It is not an unprimeable number, because it can be changed into a prime (200222022222221) 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, 3229387455165 + ... + 3229387455226.

It is an arithmetic number, because the mean of its divisors is an integer number (51670199283136).

Almost surely, 2^{200222022222121} is an apocalyptic number.

It is an amenable number.

200222022222121 is a deficient number, since it is larger than the sum of its proper divisors (6458774910423).

200222022222121 is an equidigital number, since it uses as much as digits as its factorization.

200222022222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458774910422.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 200222022222121 its reverse (121222220222002), we get a palindrome (321444242444123).

The spelling of 200222022222121 in words is "two hundred trillion, two hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-one".