200022211021 has 8 divisors (see below), whose sum is σ = 211866336504. Its totient is φ = 188186764800.

The previous prime is 200022211003. The next prime is 200022211049. The reversal of 200022211021 is 120112220002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 143952706921 + 56069504100 = 379411^2 + 236790^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200022211021 - 2²⁵ = 199988656589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200022210992 and 200022211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200022211001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122330 + ... + 2214571.

It is an arithmetic number, because the mean of its divisors is an integer number (26483292063).

Almost surely, 2^200022211021 is an apocalyptic number.

It is an amenable number.

200022211021 is a deficient number, since it is larger than the sum of its proper divisors (11844125483).

200022211021 is a wasteful number, since it uses less digits than its factorization.

200022211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339631.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200022211021 its reverse (120112220002), we get a palindrome (320134431023).

The spelling of 200022211021 in words is "two hundred billion, twenty-two million, two hundred eleven thousand, twenty-one".