11013120312021 has 48 divisors (see below), whose sum is σ = 16866689112000. Its totient is φ = 6905276179200.

The previous prime is 11013120312011. The next prime is 11013120312043. The reversal of 11013120312021 is 12021302131011.

It is a de Polignac number, because none of the positive numbers 2^k-11013120312021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11013120311985 and 11013120312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013120312001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18096675 + ... + 18695343.

It is an arithmetic number, because the mean of its divisors is an integer number (351389356500).

Almost surely, 2^{11013120312021} is an apocalyptic number.

It is an amenable number.

11013120312021 is a deficient number, since it is larger than the sum of its proper divisors (5853568799979).

11013120312021 is a wasteful number, since it uses less digits than its factorization.

11013120312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599474 (or 599471 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11013120312021 its reverse (12021302131011), we get a palindrome (23034422443032).

The spelling of 11013120312021 in words is "eleven trillion, thirteen billion, one hundred twenty million, three hundred twelve thousand, twenty-one".