13311212120411 has 4 divisors (see below), whose sum is σ = 13311219469800. Its totient is φ = 13311204771024.

The previous prime is 13311212120399. The next prime is 13311212120483. The reversal of 13311212120411 is 11402121211331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13311212120411 - 2³⁸ = 13036334213467 is a prime.

It is a super-2 number, since 2×13311212120411² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311212720411) 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, 1179800 + ... + 5292858.

It is an arithmetic number, because the mean of its divisors is an integer number (3327804867450).

Almost surely, 2^{13311212120411} is an apocalyptic number.

13311212120411 is a deficient number, since it is larger than the sum of its proper divisors (7349389).

13311212120411 is an equidigital number, since it uses as much as digits as its factorization.

13311212120411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7349388.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 13311212120411 its reverse (11402121211331), we get a palindrome (24713333331742).

The spelling of 13311212120411 in words is "thirteen trillion, three hundred eleven billion, two hundred twelve million, one hundred twenty thousand, four hundred eleven".