111101102212201 has 4 divisors (see below), whose sum is σ = 111118938324100. Its totient is φ = 111083266100304.

The previous prime is 111101102212187. The next prime is 111101102212307. The reversal of 111101102212201 is 102212201101111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66268717113600 + 44832385098601 = 8140560^2 + 6695699^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101102212201 - 2¹⁷ = 111101102081129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111101102212801) 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, 8918046606 + ... + 8918059063.

It is an arithmetic number, because the mean of its divisors is an integer number (27779734581025).

Almost surely, 2^{111101102212201} is an apocalyptic number.

It is an amenable number.

111101102212201 is a deficient number, since it is larger than the sum of its proper divisors (17836111899).

111101102212201 is an equidigital number, since it uses as much as digits as its factorization.

111101102212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17836111898.

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

Adding to 111101102212201 its reverse (102212201101111), we get a palindrome (213313303313312).

The spelling of 111101102212201 in words is "one hundred eleven trillion, one hundred one billion, one hundred two million, two hundred twelve thousand, two hundred one".