2112015961 has 8 divisors (see below), whose sum is σ = 2439548064. Its totient is φ = 1807072320.

The previous prime is 2112015959. The next prime is 2112015989. The reversal of 2112015961 is 1695102112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112015961 - 2¹ = 2112015959 is a prime.

It is a super-2 number, since 2×2112015961² = 8921222839037507042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112015931) 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 7 ways as a sum of consecutive naturals, for example, 5646915 + ... + 5647288.

It is an arithmetic number, because the mean of its divisors is an integer number (304943508).

Almost surely, 2^2112015961 is an apocalyptic number.

It is an amenable number.

2112015961 is a deficient number, since it is larger than the sum of its proper divisors (327532103).

2112015961 is a wasteful number, since it uses less digits than its factorization.

2112015961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11294231.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 2112015961 is about 45956.6748253178. The cubic root of 2112015961 is about 1283.0169640265.

The spelling of 2112015961 in words is "two billion, one hundred twelve million, fifteen thousand, nine hundred sixty-one".