13201211099 has 4 divisors (see below), whose sum is σ = 13206688920. Its totient is φ = 13195733280.

The previous prime is 13201211071. The next prime is 13201211131. The reversal of 13201211099 is 99011210231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13201211099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13201211069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735294 + ... + 2740115.

It is an arithmetic number, because the mean of its divisors is an integer number (3301672230).

Almost surely, 2^13201211099 is an apocalyptic number.

13201211099 is a deficient number, since it is larger than the sum of its proper divisors (5477821).

13201211099 is an equidigital number, since it uses as much as digits as its factorization.

13201211099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477820.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 13201211099 in words is "thirteen billion, two hundred one million, two hundred eleven thousand, ninety-nine".