200200111211021 has 16 divisors (see below), whose sum is σ = 204616697026560. Its totient is φ = 195840147859200.

The previous prime is 200200111211017. The next prime is 200200111211039. The reversal of 200200111211021 is 120112111002002.

It is a cyclic number.

It is not a de Polignac number, because 200200111211021 - 2² = 200200111211017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200200111210987 and 200200111211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200111214021) 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 in 15 ways as a sum of consecutive naturals, for example, 17717741 + ... + 26726738.

It is an arithmetic number, because the mean of its divisors is an integer number (12788543564160).

Almost surely, 2^{200200111211021} is an apocalyptic number.

It is an amenable number.

200200111211021 is a deficient number, since it is larger than the sum of its proper divisors (4416585815539).

200200111211021 is a wasteful number, since it uses less digits than its factorization.

200200111211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44445116.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200200111211021 its reverse (120112111002002), we get a palindrome (320312222213023).

The spelling of 200200111211021 in words is "two hundred trillion, two hundred billion, one hundred eleven million, two hundred eleven thousand, twenty-one".