13220212011 has 8 divisors (see below), whose sum is σ = 17629917504. Its totient is φ = 8811990600.

The previous prime is 13220212009. The next prime is 13220212037. The reversal of 13220212011 is 11021202231.

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

It is not a de Polignac number, because 13220212011 - 2¹ = 13220212009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13220212211) 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, 350065 + ... + 385986.

It is an arithmetic number, because the mean of its divisors is an integer number (2203739688).

Almost surely, 2^13220212011 is an apocalyptic number.

13220212011 is a deficient number, since it is larger than the sum of its proper divisors (4409705493).

13220212011 is an equidigital number, since it uses as much as digits as its factorization.

13220212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742041.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13220212011 its reverse (11021202231), we get a palindrome (24241414242).

The spelling of 13220212011 in words is "thirteen billion, two hundred twenty million, two hundred twelve thousand, eleven".