111132201121 has 4 divisors (see below), whose sum is σ = 111184402500. Its totient is φ = 111079999744.

The previous prime is 111132201109. The next prime is 111132201137. The reversal of 111132201121 is 121102231111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70705469025 + 40426732096 = 265905^2 + 201064^2 .

It is a cyclic number.

It is not a de Polignac number, because 111132201121 - 2⁹ = 111132200609 is a prime.

It is a super-2 number, since 2×111132201121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111132201095 and 111132201104.

It is not an unprimeable number, because it can be changed into a prime (111132201181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26097496 + ... + 26101753.

It is an arithmetic number, because the mean of its divisors is an integer number (27796100625).

Almost surely, 2^111132201121 is an apocalyptic number.

It is an amenable number.

111132201121 is a deficient number, since it is larger than the sum of its proper divisors (52201379).

111132201121 is an equidigital number, since it uses as much as digits as its factorization.

111132201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52201378.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111132201121 its reverse (121102231111), we get a palindrome (232234432232).

The spelling of 111132201121 in words is "one hundred eleven billion, one hundred thirty-two million, two hundred one thousand, one hundred twenty-one".