213321111201 has 12 divisors (see below), whose sum is σ = 336142357200. Its totient is φ = 129285521880.

The previous prime is 213321111191. The next prime is 213321111221. The reversal of 213321111201 is 102111123312.

213321111201 is a `hidden beast` number, since 21 + 332 + 1 + 111 + 201 = 666.

It is not a de Polignac number, because 213321111201 - 2³⁰ = 212247369377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213321111221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1077379251 + ... + 1077379448.

It is an arithmetic number, because the mean of its divisors is an integer number (28011863100).

Almost surely, 2^213321111201 is an apocalyptic number.

It is an amenable number.

213321111201 is a deficient number, since it is larger than the sum of its proper divisors (122821245999).

213321111201 is a wasteful number, since it uses less digits than its factorization.

213321111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154758716 (or 2154758713 counting only the distinct ones).

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

Adding to 213321111201 its reverse (102111123312), we get a palindrome (315432234513).

It can be divided in two parts, 21332111 and 1201, that added together give a palindrome (21333312).

The spelling of 213321111201 in words is "two hundred thirteen billion, three hundred twenty-one million, one hundred eleven thousand, two hundred one".