201111111010211 has 2 divisors, whose sum is σ = 201111111010212. Its totient is φ = 201111111010210.

The previous prime is 201111111010207. The next prime is 201111111010291. The reversal of 201111111010211 is 112010111111102.

201111111010211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201111111010211 - 2² = 201111111010207 is a prime.

It is a super-2 number, since 2×201111111010211² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201111111010291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555555505105 + 100555555505106.

It is an arithmetic number, because the mean of its divisors is an integer number (100555555505106).

Almost surely, 2^{201111111010211} is an apocalyptic number.

201111111010211 is a deficient number, since it is larger than the sum of its proper divisors (1).

201111111010211 is an equidigital number, since it uses as much as digits as its factorization.

201111111010211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 201111111010211 its reverse (112010111111102), we get a palindrome (313121222121313).

The spelling of 201111111010211 in words is "two hundred one trillion, one hundred eleven billion, one hundred eleven million, ten thousand, two hundred eleven".