1112311020213 has 12 divisors (see below), whose sum is σ = 1608546247308. Its totient is φ = 740675400000.

The previous prime is 1112311020203. The next prime is 1112311020217. The reversal of 1112311020213 is 3120201132111.

It can be written as a sum of positive squares in 2 ways, for example, as 490977687204 + 621333333009 = 700698^2 + 788247^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1112311020213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112311020217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72098538 + ... + 72113963.

It is an arithmetic number, because the mean of its divisors is an integer number (134045520609).

Almost surely, 2^{1112311020213} is an apocalyptic number.

It is an amenable number.

1112311020213 is a deficient number, since it is larger than the sum of its proper divisors (496235227095).

1112311020213 is a wasteful number, since it uses less digits than its factorization.

1112311020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144213364 (or 144213361 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1112311020213 its reverse (3120201132111), we get a palindrome (4232512152324).

The spelling of 1112311020213 in words is "one trillion, one hundred twelve billion, three hundred eleven million, twenty thousand, two hundred thirteen".