201112002011 has 4 divisors (see below), whose sum is σ = 201112899024. Its totient is φ = 201111105000.

The previous prime is 201112001989. The next prime is 201112002023. The reversal of 201112002011 is 110200211102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201112002011 - 2³⁴ = 183932132827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201112001983 and 201112002001.

It is not an unprimeable number, because it can be changed into a prime (201112002811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214121 + ... + 669381.

It is an arithmetic number, because the mean of its divisors is an integer number (50278224756).

Almost surely, 2^201112002011 is an apocalyptic number.

201112002011 is a deficient number, since it is larger than the sum of its proper divisors (897013).

201112002011 is an equidigital number, since it uses as much as digits as its factorization.

201112002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897012.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201112002011 its reverse (110200211102), we get a palindrome (311312213113).

The spelling of 201112002011 in words is "two hundred one billion, one hundred twelve million, two thousand, eleven".