111201121110211 has 32 divisors (see below), whose sum is σ = 125096150851776. Its totient is φ = 97999315200000.

The previous prime is 111201121110187. The next prime is 111201121110217. The reversal of 111201121110211 is 112011121102111.

It is a cyclic number.

It is not a de Polignac number, because 111201121110211 - 2²⁹ = 111200584239299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201121110217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6107061 + ... + 16115161.

It is an arithmetic number, because the mean of its divisors is an integer number (3909254714118).

Almost surely, 2^{111201121110211} is an apocalyptic number.

111201121110211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111201121110211 is a deficient number, since it is larger than the sum of its proper divisors (13895029741565).

111201121110211 is a wasteful number, since it uses less digits than its factorization.

111201121110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008423.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111201121110211 its reverse (112011121102111), we get a palindrome (223212242212322).

It can be divided in two parts, 1112011 and 21110211, that added together give a palindrome (22222222).

The spelling of 111201121110211 in words is "one hundred eleven trillion, two hundred one billion, one hundred twenty-one million, one hundred ten thousand, two hundred eleven".