13122101 has 4 divisors (see below), whose sum is σ = 13165152. Its totient is φ = 13079052.

The previous prime is 13122073. The next prime is 13122119. The reversal of 13122101 is 10122131.

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: 10122131 = 29 ⋅349039.

It is a cyclic number.

It is not a de Polignac number, because 13122101 - 2⁶ = 13122037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21065 + ... + 21678.

It is an arithmetic number, because the mean of its divisors is an integer number (3291288).

Almost surely, 2^13122101 is an apocalyptic number.

It is an amenable number.

13122101 is a deficient number, since it is larger than the sum of its proper divisors (43051).

13122101 is an equidigital number, since it uses as much as digits as its factorization.

13122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43050.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 13122101 is about 3622.4440644405. Note that the first 3 decimals coincide. The cubic root of 13122101 is about 235.8673306324.

Adding to 13122101 its reverse (10122131), we get a palindrome (23244232).

The spelling of 13122101 in words is "thirteen million, one hundred twenty-two thousand, one hundred one".