11003021131001 has 16 divisors (see below), whose sum is σ = 11517992363520. Its totient is φ = 10491148578240.

The previous prime is 11003021130973. The next prime is 11003021131031. The reversal of 11003021131001 is 10013112030011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11003021131001 - 2¹⁸ = 11003020868857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003021131031) 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, 9039056 + ... + 10183838.

It is an arithmetic number, because the mean of its divisors is an integer number (719874522720).

Almost surely, 2^{11003021131001} is an apocalyptic number.

It is an amenable number.

11003021131001 is a deficient number, since it is larger than the sum of its proper divisors (514971232519).

11003021131001 is a wasteful number, since it uses less digits than its factorization.

11003021131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146136.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11003021131001 its reverse (10013112030011), we get a palindrome (21016133161012).

The spelling of 11003021131001 in words is "eleven trillion, three billion, twenty-one million, one hundred thirty-one thousand, one".