212100221102011 has 32 divisors (see below), whose sum is σ = 239456161324800. Its totient is φ = 186212972304000.

The previous prime is 212100221101987. The next prime is 212100221102051. The reversal of 212100221102011 is 110201122001212.

It is a cyclic number.

It is not a de Polignac number, because 212100221102011 - 2¹⁹ = 212100220577723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212100221102051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28803625 + ... + 35409733.

It is an arithmetic number, because the mean of its divisors is an integer number (7483005041400).

Almost surely, 2^{212100221102011} is an apocalyptic number.

212100221102011 is a deficient number, since it is larger than the sum of its proper divisors (27355940222789).

212100221102011 is a wasteful number, since it uses less digits than its factorization.

212100221102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6607051.

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

Adding to 212100221102011 its reverse (110201122001212), we get a palindrome (322301343103223).

The spelling of 212100221102011 in words is "two hundred twelve trillion, one hundred billion, two hundred twenty-one million, one hundred two thousand, eleven".