1100000021013 has 80 divisors (see below), whose sum is σ = 1747194318144. Its totient is φ = 687296171520.

The previous prime is 1100000021011. The next prime is 1100000021039. The reversal of 1100000021013 is 3101200000011.

It is not a de Polignac number, because 1100000021013 - 2¹ = 1100000021011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1100000020986 and 1100000021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100000021011) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 659867206 + ... + 659868872.

Almost surely, 2^{1100000021013} is an apocalyptic number.

It is an amenable number.

1100000021013 is a deficient number, since it is larger than the sum of its proper divisors (647194297131).

1100000021013 is a wasteful number, since it uses less digits than its factorization.

1100000021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424 (or 3415 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 1100000021013 its reverse (3101200000011), we get a palindrome (4201200021024).

The spelling of 1100000021013 in words is "one trillion, one hundred billion, twenty-one thousand, thirteen".