13110021001 has 27 divisors (see below), whose sum is σ = 16774152717. Its totient is φ = 10208730840.

The previous prime is 13110020983. The next prime is 13110021013. The reversal of 13110021001 is 10012001131.

The square root of 13110021001 is 114499.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 13110021001 - 2¹⁷ = 13109889929 is a prime.

It is a super-2 number, since 2×13110021001² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13110021401) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8815680 + ... + 8817166.

Almost surely, 2^13110021001 is an apocalyptic number.

13110021001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13110021001 is the 114499-th square number.

13110021001 is the 57250-th centered octagonal number.

It is an amenable number.

13110021001 is a deficient number, since it is larger than the sum of its proper divisors (3664131716).

13110021001 is an frugal number, since it uses more digits than its factorization.

13110021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010 (or 1505 counting only the distinct ones).

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

Adding to 13110021001 its reverse (10012001131), we get a palindrome (23122022132).

The spelling of 13110021001 in words is "thirteen billion, one hundred ten million, twenty-one thousand, one".