2112115101 has 8 divisors (see below), whose sum is σ = 2826623520. Its totient is φ = 1402841712.

The previous prime is 2112115097. The next prime is 2112115121. The reversal of 2112115101 is 1015112112.

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

It is not a de Polignac number, because 2112115101 - 2² = 2112115097 is a prime.

It is a super-2 number, since 2×2112115101² = 8922060399744480402, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112115121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307815 + ... + 1309428.

It is an arithmetic number, because the mean of its divisors is an integer number (353327940).

Almost surely, 2^2112115101 is an apocalyptic number.

It is an amenable number.

2112115101 is a deficient number, since it is larger than the sum of its proper divisors (714508419).

2112115101 is a wasteful number, since it uses less digits than its factorization.

2112115101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617515.

The product of its (nonzero) digits is 20, while the sum is 15.

The square root of 2112115101 is about 45957.7534372602. The cubic root of 2112115101 is about 1283.0370390502.

Adding to 2112115101 its reverse (1015112112), we get a palindrome (3127227213).

The spelling of 2112115101 in words is "two billion, one hundred twelve million, one hundred fifteen thousand, one hundred one".