200222220112021 has 4 divisors (see below), whose sum is σ = 202286366711212. Its totient is φ = 198158073512832.

The previous prime is 200222220111937. The next prime is 200222220112037. The reversal of 200222220112021 is 120211022222002.

200222220112021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157835753092900 + 42386467019121 = 12563270^2 + 6510489^2 .

It is a cyclic number.

It is not a de Polignac number, because 200222220112021 - 2²⁷ = 200222085894293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200222220112021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200222220112051) 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, 1032073299450 + ... + 1032073299643.

It is an arithmetic number, because the mean of its divisors is an integer number (50571591677803).

Almost surely, 2^{200222220112021} is an apocalyptic number.

It is an amenable number.

200222220112021 is a deficient number, since it is larger than the sum of its proper divisors (2064146599191).

200222220112021 is an equidigital number, since it uses as much as digits as its factorization.

200222220112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064146599190.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 200222220112021 its reverse (120211022222002), we get a palindrome (320433242334023).

The spelling of 200222220112021 in words is "two hundred trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twelve thousand, twenty-one".