200022002021 has 2 divisors, whose sum is σ = 200022002022. Its totient is φ = 200022002020.

The previous prime is 200022001979. The next prime is 200022002027. The reversal of 200022002021 is 120200220002.

200022002021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160409061121 + 39612940900 = 400511^2 + 199030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200022002021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200022001993 and 200022002011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200022002027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100011001010 + 100011001011.

It is an arithmetic number, because the mean of its divisors is an integer number (100011001011).

Almost surely, 2^200022002021 is an apocalyptic number.

It is an amenable number.

200022002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

200022002021 is an equidigital number, since it uses as much as digits as its factorization.

200022002021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 200022002021 its reverse (120200220002), we get a palindrome (320222222023).

The spelling of 200022002021 in words is "two hundred billion, twenty-two million, two thousand, twenty-one".