11000112000021 has 12 divisors (see below), whose sum is σ = 16725316491520. Its totient is φ = 6947439157800.

The previous prime is 11000111999999. The next prime is 11000112000043. The reversal of 11000112000021 is 12000021100011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11000111999999) and next prime (11000112000043).

It is not a de Polignac number, because 11000112000021 - 2⁹ = 11000111999509 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11000111999967 and 11000112000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000112000421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32164070005 + ... + 32164070346.

Almost surely, 2^{11000112000021} is an apocalyptic number.

It is an amenable number.

11000112000021 is a deficient number, since it is larger than the sum of its proper divisors (5725204491499).

11000112000021 is a wasteful number, since it uses less digits than its factorization.

11000112000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64328140376 (or 64328140373 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11000112000021 its reverse (12000021100011), we get a palindrome (23000133100032).

The spelling of 11000112000021 in words is "eleven trillion, one hundred twelve million, twenty-one", and thus it is an aban number.