201111022211 has 8 divisors (see below), whose sum is σ = 219399918384. Its totient is φ = 182823138720.

The previous prime is 201111022171. The next prime is 201111022213. The reversal of 201111022211 is 112220111102.

201111022211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201111022211 - 2¹⁴ = 201111005827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201111022213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196865 + ... + 664061.

It is an arithmetic number, because the mean of its divisors is an integer number (27424989798).

Almost surely, 2^201111022211 is an apocalyptic number.

201111022211 is a deficient number, since it is larger than the sum of its proper divisors (18288896173).

201111022211 is a wasteful number, since it uses less digits than its factorization.

201111022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506341.

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

Adding to 201111022211 its reverse (112220111102), we get a palindrome (313331133313).

The spelling of 201111022211 in words is "two hundred one billion, one hundred eleven million, twenty-two thousand, two hundred eleven".