13213021113 has 12 divisors (see below), whose sum is σ = 19086546388. Its totient is φ = 8808186240.

The previous prime is 13213021103. The next prime is 13213021121. The reversal of 13213021113 is 31112031231.

It can be written as a sum of positive squares in 2 ways, for example, as 5789992464 + 7423028649 = 76092^2 + 86157^2 .

It is not a de Polignac number, because 13213021113 - 2¹² = 13213017017 is a prime.

It is a super-3 number, since 3×13213021113³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13213021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206181 + ... + 262557.

Almost surely, 2^13213021113 is an apocalyptic number.

It is an amenable number.

13213021113 is a deficient number, since it is larger than the sum of its proper divisors (5873525275).

13213021113 is a wasteful number, since it uses less digits than its factorization.

13213021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82424 (or 82421 counting only the distinct ones).

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

Adding to 13213021113 its reverse (31112031231), we get a palindrome (44325052344).

The spelling of 13213021113 in words is "thirteen billion, two hundred thirteen million, twenty-one thousand, one hundred thirteen".