111102111202201 has 4 divisors (see below), whose sum is σ = 126973841373952. Its totient is φ = 95230381030452.

The previous prime is 111102111202171. The next prime is 111102111202279. The reversal of 111102111202201 is 102202111201111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111102111202201 - 2¹⁵ = 111102111169433 is a prime.

It is a super-2 number, since 2×111102111202201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111102111202501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7935865085865 + ... + 7935865085878.

It is an arithmetic number, because the mean of its divisors is an integer number (31743460343488).

Almost surely, 2^{111102111202201} is an apocalyptic number.

It is an amenable number.

111102111202201 is a deficient number, since it is larger than the sum of its proper divisors (15871730171751).

111102111202201 is an equidigital number, since it uses as much as digits as its factorization.

111102111202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871730171750.

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

Adding to 111102111202201 its reverse (102202111201111), we get a palindrome (213304222403312).

The spelling of 111102111202201 in words is "one hundred eleven trillion, one hundred two billion, one hundred eleven million, two hundred two thousand, two hundred one".