111311133201 has 128 divisors (see below), whose sum is σ = 179557171200. Its totient is φ = 68828937408.

The previous prime is 111311133137. The next prime is 111311133209. The reversal of 111311133201 is 102331113111.

It is not a de Polignac number, because 111311133201 - 2⁶ = 111311133137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111311133209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 465736840 + ... + 465737078.

It is an arithmetic number, because the mean of its divisors is an integer number (1402790400).

Almost surely, 2^111311133201 is an apocalyptic number.

It is an amenable number.

111311133201 is a deficient number, since it is larger than the sum of its proper divisors (68246037999).

111311133201 is an equidigital number, since it uses as much as digits as its factorization.

111311133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 111311133201 its reverse (102331113111), we get a palindrome (213642246312).

The spelling of 111311133201 in words is "one hundred eleven billion, three hundred eleven million, one hundred thirty-three thousand, two hundred one".