201112221201211 has 4 divisors (see below), whose sum is σ = 205391204631072. Its totient is φ = 196833237771352.

The previous prime is 201112221201173. The next prime is 201112221201233. The reversal of 201112221201211 is 112102122211102.

It is a happy number.

201112221201211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201112221201211 - 2¹¹ = 201112221199163 is a prime.

It is a super-3 number, since 3×201112221201211³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201112227201211) 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, 2139491714860 + ... + 2139491714953.

It is an arithmetic number, because the mean of its divisors is an integer number (51347801157768).

Almost surely, 2^{201112221201211} is an apocalyptic number.

201112221201211 is a deficient number, since it is larger than the sum of its proper divisors (4278983429861).

201112221201211 is an equidigital number, since it uses as much as digits as its factorization.

201112221201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278983429860.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201112221201211 its reverse (112102122211102), we get a palindrome (313214343412313).

The spelling of 201112221201211 in words is "two hundred one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred one thousand, two hundred eleven".