2213201322231 has 4 divisors (see below), whose sum is σ = 2950935096312. Its totient is φ = 1475467548152.

The previous prime is 2213201322179. The next prime is 2213201322247. The reversal of 2213201322231 is 1322231023122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2213201322231 - 2¹⁰ = 2213201321207 is a prime.

It is a super-2 number, since 2×2213201322231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213201324231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368866887036 + ... + 368866887041.

It is an arithmetic number, because the mean of its divisors is an integer number (737733774078).

Almost surely, 2^{2213201322231} is an apocalyptic number.

2213201322231 is a deficient number, since it is larger than the sum of its proper divisors (737733774081).

2213201322231 is an equidigital number, since it uses as much as digits as its factorization.

2213201322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737733774080.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2213201322231 its reverse (1322231023122), we get a palindrome (3535432345353).

The spelling of 2213201322231 in words is "two trillion, two hundred thirteen billion, two hundred one million, three hundred twenty-two thousand, two hundred thirty-one".