2112151663113 has 4 divisors (see below), whose sum is σ = 2816202217488. Its totient is φ = 1408101108740.

The previous prime is 2112151663103. The next prime is 2112151663187. The reversal of 2112151663113 is 3113661512112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2112151663113 - 2⁵ = 2112151663081 is a prime.

It is a super-2 number, since 2×2112151663113² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2112151663103) 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, 352025277183 + ... + 352025277188.

It is an arithmetic number, because the mean of its divisors is an integer number (704050554372).

Almost surely, 2^{2112151663113} is an apocalyptic number.

It is an amenable number.

2112151663113 is a deficient number, since it is larger than the sum of its proper divisors (704050554375).

2112151663113 is an equidigital number, since it uses as much as digits as its factorization.

2112151663113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704050554374.

The product of its digits is 6480, while the sum is 33.

The spelling of 2112151663113 in words is "two trillion, one hundred twelve billion, one hundred fifty-one million, six hundred sixty-three thousand, one hundred thirteen".