201122232213 has 8 divisors (see below), whose sum is σ = 306471972928. Its totient is φ = 114926989824.

The previous prime is 201122232173. The next prime is 201122232229. The reversal of 201122232213 is 312232221102.

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

It is not a de Polignac number, because 201122232213 - 2¹⁶ = 201122166677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 9577249153 = 201122232213 / (2 + 0 + 1 + 1 + 2 + 2 + 2 + 3 + 2 + 2 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201122232213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122232253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4788624556 + ... + 4788624597.

It is an arithmetic number, because the mean of its divisors is an integer number (38308996616).

Almost surely, 2^201122232213 is an apocalyptic number.

It is an amenable number.

201122232213 is a deficient number, since it is larger than the sum of its proper divisors (105349740715).

201122232213 is an equidigital number, since it uses as much as digits as its factorization.

201122232213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9577249163.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201122232213 its reverse (312232221102), we get a palindrome (513354453315).

The spelling of 201122232213 in words is "two hundred one billion, one hundred twenty-two million, two hundred thirty-two thousand, two hundred thirteen".