111122112012201 has 12 divisors (see below), whose sum is σ = 160509842183028. Its totient is φ = 74081350393344.

The previous prime is 111122112012181. The next prime is 111122112012313. The reversal of 111122112012201 is 102210211221111.

It is a happy number.

111122112012201 is a `hidden beast` number, since 1 + 111 + 221 + 120 + 12 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9030265401600 + 102091846610601 = 3005040^2 + 10104051^2 .

It is not a de Polignac number, because 111122112012201 - 2⁶ = 111122112012137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111122112112201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9728001 + ... + 17801073.

It is an arithmetic number, because the mean of its divisors is an integer number (13375820181919).

Almost surely, 2^{111122112012201} is an apocalyptic number.

It is an amenable number.

111122112012201 is a deficient number, since it is larger than the sum of its proper divisors (49387730170827).

111122112012201 is a wasteful number, since it uses less digits than its factorization.

111122112012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9602472 (or 9602469 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111122112012201 its reverse (102210211221111), we get a palindrome (213332323233312).

The spelling of 111122112012201 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twelve million, twelve thousand, two hundred one".