201013103102213 has 4 divisors (see below), whose sum is σ = 201013417361100. Its totient is φ = 201012788843328.

The previous prime is 201013103102191. The next prime is 201013103102233. The reversal of 201013103102213 is 312201301310102.

It is a happy number.

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 111014924195044 + 89998178907169 = 10536362^2 + 9486737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201013103102213 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 (201013103102233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156168020 + ... + 157449917.

It is an arithmetic number, because the mean of its divisors is an integer number (50253354340275).

Almost surely, 2^{201013103102213} is an apocalyptic number.

It is an amenable number.

201013103102213 is a deficient number, since it is larger than the sum of its proper divisors (314258887).

201013103102213 is an equidigital number, since it uses as much as digits as its factorization.

201013103102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314258886.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 201013103102213 its reverse (312201301310102), we get a palindrome (513214404412315).

The spelling of 201013103102213 in words is "two hundred one trillion, thirteen billion, one hundred three million, one hundred two thousand, two hundred thirteen".