212021200112011 has 4 divisors (see below), whose sum is σ = 212024507374800. Its totient is φ = 212017892849224.

The previous prime is 212021200111997. The next prime is 212021200112023. The reversal of 212021200112011 is 110211002120212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212021200112011 - 2⁹ = 212021200111499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021200112611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653535231 + ... + 1653663448.

It is an arithmetic number, because the mean of its divisors is an integer number (53006126843700).

Almost surely, 2^{212021200112011} is an apocalyptic number.

212021200112011 is a deficient number, since it is larger than the sum of its proper divisors (3307262789).

212021200112011 is an equidigital number, since it uses as much as digits as its factorization.

212021200112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307262788.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212021200112011 its reverse (110211002120212), we get a palindrome (322232202232223).

The spelling of 212021200112011 in words is "two hundred twelve trillion, twenty-one billion, two hundred million, one hundred twelve thousand, eleven".