200022221210021 has 4 divisors (see below), whose sum is σ = 228596824240032. Its totient is φ = 171447618180012.

The previous prime is 200022221209999. The next prime is 200022221210041. The reversal of 200022221210021 is 120012122220002.

It is a happy number.

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 200022221210021 - 2⁶ = 200022221209957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200022221210041) 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, 14287301514995 + ... + 14287301515008.

It is an arithmetic number, because the mean of its divisors is an integer number (57149206060008).

Almost surely, 2^{200022221210021} is an apocalyptic number.

It is an amenable number.

200022221210021 is a deficient number, since it is larger than the sum of its proper divisors (28574603030011).

200022221210021 is an equidigital number, since it uses as much as digits as its factorization.

200022221210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28574603030010.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200022221210021 its reverse (120012122220002), we get a palindrome (320034343430023).

The spelling of 200022221210021 in words is "two hundred trillion, twenty-two billion, two hundred twenty-one million, two hundred ten thousand, twenty-one".