201121223341033 has 4 divisors (see below), whose sum is σ = 201121950125268. Its totient is φ = 201120496556800.

The previous prime is 201121223341009. The next prime is 201121223341037. The reversal of 201121223341033 is 330143322121102.

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 116328563367184 + 84792659973849 = 10785572^2 + 9208293^2 .

It is a cyclic number.

It is not a de Polignac number, because 201121223341033 - 2⁵ = 201121223341001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201121223340992 and 201121223341010.

It is not an unprimeable number, because it can be changed into a prime (201121223341037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362976868 + ... + 363530533.

It is an arithmetic number, because the mean of its divisors is an integer number (50280487531317).

Almost surely, 2^{201121223341033} is an apocalyptic number.

It is an amenable number.

201121223341033 is a deficient number, since it is larger than the sum of its proper divisors (726784235).

201121223341033 is an equidigital number, since it uses as much as digits as its factorization.

201121223341033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726784234.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 201121223341033 its reverse (330143322121102), we get a palindrome (531264545462135).

The spelling of 201121223341033 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred forty-one thousand, thirty-three".