201110211220111 has 8 divisors (see below), whose sum is σ = 208045930957200. Its totient is φ = 194174550474240.

The previous prime is 201110211220001. The next prime is 201110211220187. The reversal of 201110211220111 is 111022112011102.

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 201110211220111 - 2¹⁵ = 201110211187343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110211250111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7755730 + ... + 21502831.

It is an arithmetic number, because the mean of its divisors is an integer number (26005741369650).

Almost surely, 2^{201110211220111} is an apocalyptic number.

201110211220111 is a deficient number, since it is larger than the sum of its proper divisors (6935719737089).

201110211220111 is a wasteful number, since it uses less digits than its factorization.

201110211220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29495609.

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

Adding to 201110211220111 its reverse (111022112011102), we get a palindrome (312132323231213).

The spelling of 201110211220111 in words is "two hundred one trillion, one hundred ten billion, two hundred eleven million, two hundred twenty thousand, one hundred eleven".