13033111211 has 6 divisors (see below), whose sum is σ = 13080409020. Its totient is φ = 12985983816.

The previous prime is 13033111177. The next prime is 13033111243. The reversal of 13033111211 is 11211133031.

It is a de Polignac number, because none of the positive numbers 2^k-13033111211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13033111211.

It is not an unprimeable number, because it can be changed into a prime (13033111411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8201 + ... + 161658.

It is an arithmetic number, because the mean of its divisors is an integer number (2180068170).

Almost surely, 2^13033111211 is an apocalyptic number.

13033111211 is a deficient number, since it is larger than the sum of its proper divisors (47297809).

13033111211 is an frugal number, since it uses more digits than its factorization.

13033111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170413 (or 170136 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13033111211 its reverse (11211133031), we get a palindrome (24244244242).

The spelling of 13033111211 in words is "thirteen billion, thirty-three million, one hundred eleven thousand, two hundred eleven".