11331021202103 has 4 divisors (see below), whose sum is σ = 11607387572928. Its totient is φ = 11054654831280.

The previous prime is 11331021202079. The next prime is 11331021202117. The reversal of 11331021202103 is 30120212013311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11331021202103 - 2⁸ = 11331021201847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331021202903) 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, 138183185351 + ... + 138183185432.

It is an arithmetic number, because the mean of its divisors is an integer number (2901846893232).

Almost surely, 2^{11331021202103} is an apocalyptic number.

11331021202103 is a deficient number, since it is larger than the sum of its proper divisors (276366370825).

11331021202103 is an equidigital number, since it uses as much as digits as its factorization.

11331021202103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276366370824.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11331021202103 its reverse (30120212013311), we get a palindrome (41451233215414).

The spelling of 11331021202103 in words is "eleven trillion, three hundred thirty-one billion, twenty-one million, two hundred two thousand, one hundred three".