201110021213 has 8 divisors (see below), whose sum is σ = 203246393400. Its totient is φ = 198979906048.

The previous prime is 201110021197. The next prime is 201110021227. The reversal of 201110021213 is 312120011102.

It can be written as a sum of positive squares in 4 ways, for example, as 3385726969 + 197724294244 = 58187^2 + 444662^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201110021213 - 2⁴ = 201110021197 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 (201110021513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499618 + ... + 1628211.

It is an arithmetic number, because the mean of its divisors is an integer number (25405799175).

Almost surely, 2^201110021213 is an apocalyptic number.

It is an amenable number.

201110021213 is a deficient number, since it is larger than the sum of its proper divisors (2136372187).

201110021213 is a wasteful number, since it uses less digits than its factorization.

201110021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128511.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201110021213 its reverse (312120011102), we get a palindrome (513230032315).

The spelling of 201110021213 in words is "two hundred one billion, one hundred ten million, twenty-one thousand, two hundred thirteen".