111122200112011 has 4 divisors (see below), whose sum is σ = 121224218304024. Its totient is φ = 101020181920000.

The previous prime is 111122200112009. The next prime is 111122200112029. The reversal of 111122200112011 is 110211002221111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111122200112011 - 2¹ = 111122200112009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111122200112071) 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, 5051009095990 + ... + 5051009096011.

It is an arithmetic number, because the mean of its divisors is an integer number (30306054576006).

Almost surely, 2^{111122200112011} is an apocalyptic number.

111122200112011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111122200112011 is a deficient number, since it is larger than the sum of its proper divisors (10102018192013).

111122200112011 is a wasteful number, since it uses less digits than its factorization.

111122200112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102018192012.

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

Adding to 111122200112011 its reverse (110211002221111), we get a palindrome (221333202333122).

The spelling of 111122200112011 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred million, one hundred twelve thousand, eleven".