13220132011 has 4 divisors (see below), whose sum is σ = 13222368432. Its totient is φ = 13217895592.

The previous prime is 13220131979. The next prime is 13220132021. The reversal of 13220132011 is 11023102231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11023102231 = 71 ⋅155254961.

It is a cyclic number.

It is not a de Polignac number, because 13220132011 - 2⁵ = 13220131979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220132021) 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, 1109320 + ... + 1121173.

It is an arithmetic number, because the mean of its divisors is an integer number (3305592108).

Almost surely, 2^13220132011 is an apocalyptic number.

13220132011 is a deficient number, since it is larger than the sum of its proper divisors (2236421).

13220132011 is an equidigital number, since it uses as much as digits as its factorization.

13220132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236420.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13220132011 its reverse (11023102231), we get a palindrome (24243234242).

The spelling of 13220132011 in words is "thirteen billion, two hundred twenty million, one hundred thirty-two thousand, eleven".