200021222111202 has 40 divisors (see below), whose sum is σ = 448882065649116. Its totient is φ = 66571636930848.

The previous prime is 200021222111189. The next prime is 200021222111203. The reversal of 200021222111202 is 202111222120002.

It is a happy number.

200021222111202 is a `hidden beast` number, since 20 + 0 + 0 + 212 + 221 + 11 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 182991660008481 + 17029562102721 = 13527441^2 + 4126689^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200021222111203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 945299193 + ... + 945510764.

Almost surely, 2^{200021222111202} is an apocalyptic number.

200021222111202 is an abundant number, since it is smaller than the sum of its proper divisors (248860843537914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200021222111202 is a wasteful number, since it uses less digits than its factorization.

200021222111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890810624 (or 1890810615 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200021222111202 its reverse (202111222120002), we get a palindrome (402132444231204).

The spelling of 200021222111202 in words is "two hundred trillion, twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, two hundred two".