11103010130021 has 4 divisors (see below), whose sum is σ = 11133937735200. Its totient is φ = 11072082524844.

The previous prime is 11103010129993. The next prime is 11103010130029. The reversal of 11103010130021 is 12003101030111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11103010130021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103010129978 and 11103010130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103010130029) 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, 15463802051 + ... + 15463802768.

It is an arithmetic number, because the mean of its divisors is an integer number (2783484433800).

Almost surely, 2^{11103010130021} is an apocalyptic number.

It is an amenable number.

11103010130021 is a deficient number, since it is larger than the sum of its proper divisors (30927605179).

11103010130021 is an equidigital number, since it uses as much as digits as its factorization.

11103010130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30927605178.

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

Adding to 11103010130021 its reverse (12003101030111), we get a palindrome (23106111160132).

The spelling of 11103010130021 in words is "eleven trillion, one hundred three billion, ten million, one hundred thirty thousand, twenty-one".