2112815299201 has 4 divisors (see below), whose sum is σ = 2115628635904. Its totient is φ = 2110001962500.

The previous prime is 2112815299183. The next prime is 2112815299207. The reversal of 2112815299201 is 1029925182112.

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 2112815299201 - 2²³ = 2112806910593 is a prime.

It is a super-2 number, since 2×2112815299201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112815299207) 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, 1406667225 + ... + 1406668726.

It is an arithmetic number, because the mean of its divisors is an integer number (528907158976).

Almost surely, 2^{2112815299201} is an apocalyptic number.

It is an amenable number.

2112815299201 is a deficient number, since it is larger than the sum of its proper divisors (2813336703).

2112815299201 is an equidigital number, since it uses as much as digits as its factorization.

2112815299201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813336702.

The product of its (nonzero) digits is 51840, while the sum is 43.

The spelling of 2112815299201 in words is "two trillion, one hundred twelve billion, eight hundred fifteen million, two hundred ninety-nine thousand, two hundred one".