200021211010111 has 8 divisors (see below), whose sum is σ = 200535966820800. Its totient is φ = 199506458084640.

The previous prime is 200021211010079. The next prime is 200021211010141. The reversal of 200021211010111 is 111010112120002.

It is a happy number.

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 200021211010111 - 2⁵ = 200021211010079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200021211010091 and 200021211010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021211010141) 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, 250471725 + ... + 251269033.

It is an arithmetic number, because the mean of its divisors is an integer number (25066995852600).

Almost surely, 2^{200021211010111} is an apocalyptic number.

200021211010111 is a deficient number, since it is larger than the sum of its proper divisors (514755810689).

200021211010111 is an equidigital number, since it uses as much as digits as its factorization.

200021211010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442609.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200021211010111 its reverse (111010112120002), we get a palindrome (311031323130113).

The spelling of 200021211010111 in words is "two hundred trillion, twenty-one billion, two hundred eleven million, ten thousand, one hundred eleven".