111061101001 has 4 divisors (see below), whose sum is σ = 111061827604. Its totient is φ = 111060374400.

The previous prime is 111061100987. The next prime is 111061101017. The reversal of 111061101001 is 100101160111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19058078601 + 92003022400 = 138051^2 + 303320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111061101001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111061131001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35340 + ... + 472621.

It is an arithmetic number, because the mean of its divisors is an integer number (27765456901).

Almost surely, 2^111061101001 is an apocalyptic number.

It is an amenable number.

111061101001 is a deficient number, since it is larger than the sum of its proper divisors (726603).

111061101001 is an equidigital number, since it uses as much as digits as its factorization.

111061101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726602.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 111061101001 its reverse (100101160111), we get a palindrome (211162261112).

The spelling of 111061101001 in words is "one hundred eleven billion, sixty-one million, one hundred one thousand, one".