111202010201213 has 4 divisors (see below), whose sum is σ = 111202138434108. Its totient is φ = 111201881968320.

The previous prime is 111202010201203. The next prime is 111202010201263. The reversal of 111202010201213 is 312102010202111.

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 15216451283929 + 95985558917284 = 3900827^2 + 9797222^2 .

It is a cyclic number.

It is not a de Polignac number, because 111202010201213 - 2¹⁰ = 111202010200189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111202010201191 and 111202010201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202010201203) 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, 62806748 + ... + 64553013.

It is an arithmetic number, because the mean of its divisors is an integer number (27800534608527).

Almost surely, 2^{111202010201213} is an apocalyptic number.

It is an amenable number.

111202010201213 is a deficient number, since it is larger than the sum of its proper divisors (128232895).

111202010201213 is an equidigital number, since it uses as much as digits as its factorization.

111202010201213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128232894.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111202010201213 its reverse (312102010202111), we get a palindrome (423304020403324).

The spelling of 111202010201213 in words is "one hundred eleven trillion, two hundred two billion, ten million, two hundred one thousand, two hundred thirteen".