13102102121 has 4 divisors (see below), whose sum is σ = 13297655952. Its totient is φ = 12906548292.

The previous prime is 13102102051. The next prime is 13102102127. The reversal of 13102102121 is 12120120131.

13102102121 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.

It is a cyclic number.

It is not a de Polignac number, because 13102102121 - 2¹⁸ = 13101839977 is a prime.

It is a super-2 number, since 2×13102102121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13102102096 and 13102102105.

It is not an unprimeable number, because it can be changed into a prime (13102102127) 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, 97776815 + ... + 97776948.

It is an arithmetic number, because the mean of its divisors is an integer number (3324413988).

Almost surely, 2^13102102121 is an apocalyptic number.

It is an amenable number.

13102102121 is a deficient number, since it is larger than the sum of its proper divisors (195553831).

13102102121 is an equidigital number, since it uses as much as digits as its factorization.

13102102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195553830.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13102102121 its reverse (12120120131), we get a palindrome (25222222252).

The spelling of 13102102121 in words is "thirteen billion, one hundred two million, one hundred two thousand, one hundred twenty-one".