201122203313 has 4 divisors (see below), whose sum is σ = 206027622948. Its totient is φ = 196216783680.

The previous prime is 201122203307. The next prime is 201122203327. The reversal of 201122203313 is 313302221102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81023914609 + 120098288704 = 284647^2 + 346552^2 .

It is a cyclic number.

It is not a de Polignac number, because 201122203313 - 2⁸ = 201122203057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122203343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2452709756 + ... + 2452709837.

It is an arithmetic number, because the mean of its divisors is an integer number (51506905737).

Almost surely, 2^201122203313 is an apocalyptic number.

It is an amenable number.

201122203313 is a deficient number, since it is larger than the sum of its proper divisors (4905419635).

201122203313 is an equidigital number, since it uses as much as digits as its factorization.

201122203313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905419634.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201122203313 its reverse (313302221102), we get a palindrome (514424424415).

The spelling of 201122203313 in words is "two hundred one billion, one hundred twenty-two million, two hundred three thousand, three hundred thirteen".