11013333021 has 16 divisors (see below), whose sum is σ = 16357163200. Its totient is φ = 7323720624.

The previous prime is 11013332977. The next prime is 11013333031. The reversal of 11013333021 is 12033331011.

It is a happy number.

It is not a de Polignac number, because 11013333021 - 2⁹ = 11013332509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11013332985 and 11013333003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013333031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503011 + ... + 524448.

It is an arithmetic number, because the mean of its divisors is an integer number (1022322700).

Almost surely, 2^11013333021 is an apocalyptic number.

It is an amenable number.

11013333021 is a deficient number, since it is larger than the sum of its proper divisors (5343830179).

11013333021 is a wasteful number, since it uses less digits than its factorization.

11013333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027865 (or 1027859 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11013333021 its reverse (12033331011), we get a palindrome (23046664032).

The spelling of 11013333021 in words is "eleven billion, thirteen million, three hundred thirty-three thousand, twenty-one".