200021012211 has 16 divisors (see below), whose sum is σ = 273949945344. Its totient is φ = 129720955104.

The previous prime is 200021012203. The next prime is 200021012237. The reversal of 200021012211 is 112210120002.

It is not a de Polignac number, because 200021012211 - 2³ = 200021012203 is a prime.

It is a super-2 number, since 2×200021012211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200021012311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502600 + ... + 807866.

It is an arithmetic number, because the mean of its divisors is an integer number (17121871584).

Almost surely, 2^200021012211 is an apocalyptic number.

200021012211 is a deficient number, since it is larger than the sum of its proper divisors (73928933133).

200021012211 is a wasteful number, since it uses less digits than its factorization.

200021012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311210.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200021012211 its reverse (112210120002), we get a palindrome (312231132213).

The spelling of 200021012211 in words is "two hundred billion, twenty-one million, twelve thousand, two hundred eleven".