11013013320021 has 32 divisors (see below), whose sum is σ = 16522590067200. Its totient is φ = 7248857728320.

The previous prime is 11013013320007. The next prime is 11013013320037. The reversal of 11013013320021 is 12002331031011.

11013013320021 is a `hidden beast` number, since 1 + 10 + 1 + 301 + 332 + 0 + 0 + 21 = 666.

It is not a de Polignac number, because 11013013320021 - 2²¹ = 11013011222869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11013013319976 and 11013013320003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013013320091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107838235 + ... + 107940311.

It is an arithmetic number, because the mean of its divisors is an integer number (516330939600).

Almost surely, 2^{11013013320021} is an apocalyptic number.

It is an amenable number.

11013013320021 is a deficient number, since it is larger than the sum of its proper divisors (5509576747179).

11013013320021 is a wasteful number, since it uses less digits than its factorization.

11013013320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152746 (or 152740 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11013013320021 its reverse (12002331031011), we get a palindrome (23015344351032).

The spelling of 11013013320021 in words is "eleven trillion, thirteen billion, thirteen million, three hundred twenty thousand, twenty-one".