110201111101001 has 4 divisors (see below), whose sum is σ = 110598949047492. Its totient is φ = 109803273154512.

The previous prime is 110201111100931. The next prime is 110201111101009. The reversal of 110201111101001 is 100101111102011.

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 40261258470976 + 69939852630025 = 6345176^2 + 8363005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110201111101001 is a prime.

It is a super-3 number, since 3×110201111101001³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110201111101009) 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, 198918972830 + ... + 198918973383.

It is an arithmetic number, because the mean of its divisors is an integer number (27649737261873).

Almost surely, 2^{110201111101001} is an apocalyptic number.

It is an amenable number.

110201111101001 is a deficient number, since it is larger than the sum of its proper divisors (397837946491).

110201111101001 is an equidigital number, since it uses as much as digits as its factorization.

110201111101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397837946490.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 110201111101001 its reverse (100101111102011), we get a palindrome (210302222203012).

The spelling of 110201111101001 in words is "one hundred ten trillion, two hundred one billion, one hundred eleven million, one hundred one thousand, one".