11001231130231 has 16 divisors (see below), whose sum is σ = 11654046720000. Its totient is φ = 10355886982656.

The previous prime is 11001231130229. The next prime is 11001231130237. The reversal of 11001231130231 is 13203113210011.

It is a cyclic number.

It is not a de Polignac number, because 11001231130231 - 2¹ = 11001231130229 is a prime.

It is a super-2 number, since 2×11001231130231² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 11001231130199 and 11001231130208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001231130237) 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 15 ways as a sum of consecutive naturals, for example, 3085335 + ... + 5614423.

It is an arithmetic number, because the mean of its divisors is an integer number (728377920000).

Almost surely, 2^{11001231130231} is an apocalyptic number.

11001231130231 is a deficient number, since it is larger than the sum of its proper divisors (652815589769).

11001231130231 is a wasteful number, since it uses less digits than its factorization.

11001231130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530566.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11001231130231 its reverse (13203113210011), we get a palindrome (24204344340242).

The spelling of 11001231130231 in words is "eleven trillion, one billion, two hundred thirty-one million, one hundred thirty thousand, two hundred thirty-one".