1111241135201 has 4 divisors (see below), whose sum is σ = 1111858150404. Its totient is φ = 1110624120000.

The previous prime is 1111241135159. The next prime is 1111241135219. The reversal of 1111241135201 is 1025311421111.

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 430985685025 + 680255450176 = 656495^2 + 824776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111241135201 is a prime.

It is a super-2 number, since 2×1111241135201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1111241135101) 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, 308504900 + ... + 308508501.

It is an arithmetic number, because the mean of its divisors is an integer number (277964537601).

Almost surely, 2^{1111241135201} is an apocalyptic number.

It is an amenable number.

1111241135201 is a deficient number, since it is larger than the sum of its proper divisors (617015203).

1111241135201 is an equidigital number, since it uses as much as digits as its factorization.

1111241135201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617015202.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 1111241135201 its reverse (1025311421111), we get a palindrome (2136552556312).

The spelling of 1111241135201 in words is "one trillion, one hundred eleven billion, two hundred forty-one million, one hundred thirty-five thousand, two hundred one".