201110111111211 has 8 divisors (see below), whose sum is σ = 268147852474320. Its totient is φ = 134072888577792.

The previous prime is 201110111111171. The next prime is 201110111111249. The reversal of 201110111111211 is 112111111011102.

It is a happy number.

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

It is not a de Polignac number, because 201110111111211 - 2¹⁷ = 201110110980139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201110111111011) 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, 128802066 + ... + 130354103.

It is an arithmetic number, because the mean of its divisors is an integer number (33518481559290).

Almost surely, 2^{201110111111211} is an apocalyptic number.

201110111111211 is a deficient number, since it is larger than the sum of its proper divisors (67037741363109).

201110111111211 is a wasteful number, since it uses less digits than its factorization.

201110111111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259414845.

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 201110111111211 its reverse (112111111011102), we get a palindrome (313221222122313).

The spelling of 201110111111211 in words is "two hundred one trillion, one hundred ten billion, one hundred eleven million, one hundred eleven thousand, two hundred eleven".