201112011366 has 32 divisors (see below), whose sum is σ = 459789281280. Its totient is φ = 57447489216.

The previous prime is 201112011299. The next prime is 201112011367. The reversal of 201112011366 is 663110211102.

It is a happy number.

It is a super-2 number, since 2×201112011366² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112011367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357846 + ... + 728201.

It is an arithmetic number, because the mean of its divisors is an integer number (14368415040).

Almost surely, 2^201112011366 is an apocalyptic number.

201112011366 is an abundant number, since it is smaller than the sum of its proper divisors (258677269914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201112011366 is a wasteful number, since it uses less digits than its factorization.

201112011366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090468.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 201112011366 its reverse (663110211102), we get a palindrome (864222222468).

The spelling of 201112011366 in words is "two hundred one billion, one hundred twelve million, eleven thousand, three hundred sixty-six".