13103121211 has 8 divisors (see below), whose sum is σ = 13397567040. Its totient is φ = 12809327808.

The previous prime is 13103121197. The next prime is 13103121217. The reversal of 13103121211 is 11212130131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13103121211 - 2⁹ = 13103120699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103121217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122376 + ... + 202933.

It is an arithmetic number, because the mean of its divisors is an integer number (1674695880).

Almost surely, 2^13103121211 is an apocalyptic number.

13103121211 is a deficient number, since it is larger than the sum of its proper divisors (294445829).

13103121211 is an equidigital number, since it uses as much as digits as its factorization.

13103121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326213.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13103121211 its reverse (11212130131), we get a palindrome (24315251342).

The spelling of 13103121211 in words is "thirteen billion, one hundred three million, one hundred twenty-one thousand, two hundred eleven".