200021210112011 has 16 divisors (see below), whose sum is σ = 202912837585920. Its totient is φ = 197147496847200.

The previous prime is 200021210112007. The next prime is 200021210112067. The reversal of 200021210112011 is 110211012120002.

It is a cyclic number.

It is not a de Polignac number, because 200021210112011 - 2² = 200021210112007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200021210111011) 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, 1061257100 + ... + 1061445558.

It is an arithmetic number, because the mean of its divisors is an integer number (12682052349120).

Almost surely, 2^{200021210112011} is an apocalyptic number.

200021210112011 is a deficient number, since it is larger than the sum of its proper divisors (2891627473909).

200021210112011 is a wasteful number, since it uses less digits than its factorization.

200021210112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235906.

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

Adding to 200021210112011 its reverse (110211012120002), we get a palindrome (310232222232013).

The spelling of 200021210112011 in words is "two hundred trillion, twenty-one billion, two hundred ten million, one hundred twelve thousand, eleven".