13102322021 has 4 divisors (see below), whose sum is σ = 13107678912. Its totient is φ = 13096965132.

The previous prime is 13102322017. The next prime is 13102322033. The reversal of 13102322021 is 12022320131.

13102322021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12022320131 = 199 ⋅60413669.

It is a cyclic number.

It is not a de Polignac number, because 13102322021 - 2² = 13102322017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102322041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2674775 + ... + 2679668.

It is an arithmetic number, because the mean of its divisors is an integer number (3276919728).

Almost surely, 2^13102322021 is an apocalyptic number.

It is an amenable number.

13102322021 is a deficient number, since it is larger than the sum of its proper divisors (5356891).

13102322021 is an equidigital number, since it uses as much as digits as its factorization.

13102322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356890.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13102322021 its reverse (12022320131), we get a palindrome (25124642152).

The spelling of 13102322021 in words is "thirteen billion, one hundred two million, three hundred twenty-two thousand, twenty-one".