13311220201011 has 32 divisors (see below), whose sum is σ = 19750694584320. Its totient is φ = 8860487411232.

The previous prime is 13311220201003. The next prime is 13311220201061. The reversal of 13311220201011 is 11010202211331.

13311220201011 is a `hidden beast` number, since 1 + 331 + 122 + 0 + 201 + 0 + 11 = 666.

It is not a de Polignac number, because 13311220201011 - 2³ = 13311220201003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13311220201061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77016256 + ... + 77188898.

It is an arithmetic number, because the mean of its divisors is an integer number (617209205760).

Almost surely, 2^{13311220201011} is an apocalyptic number.

13311220201011 is a deficient number, since it is larger than the sum of its proper divisors (6439474383309).

13311220201011 is a wasteful number, since it uses less digits than its factorization.

13311220201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177032 (or 177026 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 13311220201011 its reverse (11010202211331), we get a palindrome (24321422412342).

The spelling of 13311220201011 in words is "thirteen trillion, three hundred eleven billion, two hundred twenty million, two hundred one thousand, eleven".