111200111201 has 2 divisors, whose sum is σ = 111200111202. Its totient is φ = 111200111200.

The previous prime is 111200111177. The next prime is 111200111213. The reversal of 111200111201 is 102111002111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100791010576 + 10409100625 = 317476^2 + 102025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111200111201 is a prime.

It is a super-2 number, since 2×111200111201² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111200116201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600055600 + 55600055601.

It is an arithmetic number, because the mean of its divisors is an integer number (55600055601).

Almost surely, 2^111200111201 is an apocalyptic number.

It is an amenable number.

111200111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200111201 is an equidigital number, since it uses as much as digits as its factorization.

111200111201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111200111201 its reverse (102111002111), we get a palindrome (213311113312).

The spelling of 111200111201 in words is "one hundred eleven billion, two hundred million, one hundred eleven thousand, two hundred one".