111331230201 has 24 divisors (see below), whose sum is σ = 161127472896. Its totient is φ = 74075268960.

The previous prime is 111331230163. The next prime is 111331230203. The reversal of 111331230201 is 102032133111.

111331230201 is a `hidden beast` number, since 111 + 331 + 23 + 0 + 201 = 666.

It is not a de Polignac number, because 111331230201 - 2²¹ = 111329133049 is a prime.

It is a super-3 number, since 3×111331230201³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (111331230203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10367431 + ... + 10378163.

It is an arithmetic number, because the mean of its divisors is an integer number (6713644704).

Almost surely, 2^111331230201 is an apocalyptic number.

It is an amenable number.

111331230201 is a deficient number, since it is larger than the sum of its proper divisors (49796242695).

111331230201 is a wasteful number, since it uses less digits than its factorization.

111331230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12893 (or 12890 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111331230201 its reverse (102032133111), we get a palindrome (213363363312).

The spelling of 111331230201 in words is "one hundred eleven billion, three hundred thirty-one million, two hundred thirty thousand, two hundred one".