201202022213 has 4 divisors (see below), whose sum is σ = 201222962028. Its totient is φ = 201181082400.

The previous prime is 201202022159. The next prime is 201202022221. The reversal of 201202022213 is 312220202102.

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 178035051364 + 23166970849 = 421942^2 + 152207^2 .

It is a cyclic number.

It is not a de Polignac number, because 201202022213 - 2⁶ = 201202022149 is a prime.

It is a super-3 number, since 3×201202022213³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201202022191 and 201202022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202022293) 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, 10455488 + ... + 10474713.

It is an arithmetic number, because the mean of its divisors is an integer number (50305740507).

Almost surely, 2^201202022213 is an apocalyptic number.

It is an amenable number.

201202022213 is a deficient number, since it is larger than the sum of its proper divisors (20939815).

201202022213 is an equidigital number, since it uses as much as digits as its factorization.

201202022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20939814.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 201202022213 its reverse (312220202102), we get a palindrome (513422224315).

The spelling of 201202022213 in words is "two hundred one billion, two hundred two million, twenty-two thousand, two hundred thirteen".