200022021111021 has 4 divisors (see below), whose sum is σ = 266696028148032. Its totient is φ = 133348014074012.

The previous prime is 200022021111001. The next prime is 200022021111079. The reversal of 200022021111021 is 120111120220002.

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 200022021111021 - 2⁷ = 200022021110893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200022021111001) 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, 33337003518501 + ... + 33337003518506.

It is an arithmetic number, because the mean of its divisors is an integer number (66674007037008).

Almost surely, 2^{200022021111021} is an apocalyptic number.

It is an amenable number.

200022021111021 is a deficient number, since it is larger than the sum of its proper divisors (66674007037011).

200022021111021 is an equidigital number, since it uses as much as digits as its factorization.

200022021111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66674007037010.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200022021111021 its reverse (120111120220002), we get a palindrome (320133141331023).

The spelling of 200022021111021 in words is "two hundred trillion, twenty-two billion, twenty-one million, one hundred eleven thousand, twenty-one".