111000012201 has 80 divisors (see below), whose sum is σ = 189494363520. Its totient is φ = 64229552640.

The previous prime is 111000012199. The next prime is 111000012203. The reversal of 111000012201 is 102210000111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111000012199) and next prime (111000012203).

It is not a de Polignac number, because 111000012201 - 2¹ = 111000012199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111000012203) 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 79 ways as a sum of consecutive naturals, for example, 1390081 + ... + 1467761.

It is an arithmetic number, because the mean of its divisors is an integer number (2368679544).

Almost surely, 2^111000012201 is an apocalyptic number.

It is an amenable number.

111000012201 is a deficient number, since it is larger than the sum of its proper divisors (78494351319).

111000012201 is a wasteful number, since it uses less digits than its factorization.

111000012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77788 (or 77779 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111000012201 its reverse (102210000111), we get a palindrome (213210012312).

The spelling of 111000012201 in words is "one hundred eleven billion, twelve thousand, two hundred one".