13000111021 has 8 divisors (see below), whose sum is σ = 13819667904. Its totient is φ = 12186648000.

The previous prime is 13000111001. The next prime is 13000111031. The reversal of 13000111021 is 12011100031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13000111021 - 2²⁹ = 12463240109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13000110989 and 13000111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000111001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519065 + ... + 1527598.

It is an arithmetic number, because the mean of its divisors is an integer number (1727458488).

Almost surely, 2^13000111021 is an apocalyptic number.

It is an amenable number.

13000111021 is a deficient number, since it is larger than the sum of its proper divisors (819556883).

13000111021 is a wasteful number, since it uses less digits than its factorization.

13000111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046931.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 13000111021 its reverse (12011100031), we get a palindrome (25011211052).

The spelling of 13000111021 in words is "thirteen billion, one hundred eleven thousand, twenty-one".