13021023011 has 4 divisors (see below), whose sum is σ = 13038224592. Its totient is φ = 13003821432.

The previous prime is 13021022999. The next prime is 13021023049. The reversal of 13021023011 is 11032012031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11032012031 = 23 ⋅479652697.

It is a cyclic number.

It is not a de Polignac number, because 13021023011 - 2¹⁴ = 13021006627 is a prime.

It is a super-2 number, since 2×13021023011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021023611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8599655 + ... + 8601168.

It is an arithmetic number, because the mean of its divisors is an integer number (3259556148).

Almost surely, 2^13021023011 is an apocalyptic number.

13021023011 is a deficient number, since it is larger than the sum of its proper divisors (17201581).

13021023011 is an equidigital number, since it uses as much as digits as its factorization.

13021023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17201580.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13021023011 its reverse (11032012031), we get a palindrome (24053035042).

The spelling of 13021023011 in words is "thirteen billion, twenty-one million, twenty-three thousand, eleven".