111121112200211 has 4 divisors (see below), whose sum is σ = 115952464904592. Its totient is φ = 106289759495832.

The previous prime is 111121112200187. The next prime is 111121112200213. The reversal of 111121112200211 is 112002211121111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111121112200211 is a prime.

It is a super-3 number, since 3×111121112200211³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111121112200211.

It is not an unprimeable number, because it can be changed into a prime (111121112200213) 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, 2415676352156 + ... + 2415676352201.

It is an arithmetic number, because the mean of its divisors is an integer number (28988116226148).

Almost surely, 2^{111121112200211} is an apocalyptic number.

111121112200211 is a deficient number, since it is larger than the sum of its proper divisors (4831352704381).

111121112200211 is an equidigital number, since it uses as much as digits as its factorization.

111121112200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831352704380.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111121112200211 its reverse (112002211121111), we get a palindrome (223123323321322).

The spelling of 111121112200211 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred twelve million, two hundred thousand, two hundred eleven".