111001211201 has 16 divisors (see below), whose sum is σ = 113190426048. Its totient is φ = 108831340800.

The previous prime is 111001211197. The next prime is 111001211213. The reversal of 111001211201 is 102112100111.

It is a cyclic number.

It is not a de Polignac number, because 111001211201 - 2² = 111001211197 is a prime.

It is a super-3 number, since 3×111001211201³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111001211261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14428766 + ... + 14436456.

It is an arithmetic number, because the mean of its divisors is an integer number (7074401628).

Almost surely, 2^111001211201 is an apocalyptic number.

It is an amenable number.

111001211201 is a deficient number, since it is larger than the sum of its proper divisors (2189214847).

111001211201 is an equidigital number, since it uses as much as digits as its factorization.

111001211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111001211201 its reverse (102112100111), we get a palindrome (213113311312).

The spelling of 111001211201 in words is "one hundred eleven billion, one million, two hundred eleven thousand, two hundred one".