201223220213 has 4 divisors (see below), whose sum is σ = 201607968768. Its totient is φ = 200838471660.

The previous prime is 201223220171. The next prime is 201223220269. The reversal of 201223220213 is 312022322102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312022322102 = 2 ⋅156011161051.

It is a cyclic number.

It is not a de Polignac number, because 201223220213 - 2²⁸ = 200954784757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201223220113) 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, 192373493 + ... + 192374538.

It is an arithmetic number, because the mean of its divisors is an integer number (50401992192).

Almost surely, 2^201223220213 is an apocalyptic number.

It is an amenable number.

201223220213 is a deficient number, since it is larger than the sum of its proper divisors (384748555).

201223220213 is an equidigital number, since it uses as much as digits as its factorization.

201223220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384748554.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201223220213 its reverse (312022322102), we get a palindrome (513245542315).

The spelling of 201223220213 in words is "two hundred one billion, two hundred twenty-three million, two hundred twenty thousand, two hundred thirteen".