2112112201313 has 4 divisors (see below), whose sum is σ = 2169196314900. Its totient is φ = 2055028087728.

The previous prime is 2112112201301. The next prime is 2112112201319. The reversal of 2112112201313 is 3131022112112.

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 1220026284304 + 892085917009 = 1104548^2 + 944503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112112201313 is a prime.

It is a super-3 number, since 3×2112112201313³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112112201319) 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, 28542056738 + ... + 28542056811.

It is an arithmetic number, because the mean of its divisors is an integer number (542299078725).

Almost surely, 2^{2112112201313} is an apocalyptic number.

It is an amenable number.

2112112201313 is a deficient number, since it is larger than the sum of its proper divisors (57084113587).

2112112201313 is an equidigital number, since it uses as much as digits as its factorization.

2112112201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57084113586.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2112112201313 its reverse (3131022112112), we get a palindrome (5243134313425).

The spelling of 2112112201313 in words is "two trillion, one hundred twelve billion, one hundred twelve million, two hundred one thousand, three hundred thirteen".