2112120101 has 8 divisors (see below), whose sum is σ = 2599532544. Its totient is φ = 1671127920.

The previous prime is 2112120097. The next prime is 2112120133. The reversal of 2112120101 is 1010212112.

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

It is not a de Polignac number, because 2112120101 - 2² = 2112120097 is a prime.

It is a super-2 number, since 2×2112120101² = 8922102642096500402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112120191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11604965 + ... + 11605146.

It is an arithmetic number, because the mean of its divisors is an integer number (324941568).

Almost surely, 2^2112120101 is an apocalyptic number.

It is an amenable number.

2112120101 is a deficient number, since it is larger than the sum of its proper divisors (487412443).

2112120101 is a wasteful number, since it uses less digits than its factorization.

2112120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23210131.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2112120101 is about 45957.8078350132. The cubic root of 2112120101 is about 1283.0380514919.

Adding to 2112120101 its reverse (1010212112), we get a palindrome (3122332213).

The spelling of 2112120101 in words is "two billion, one hundred twelve million, one hundred twenty thousand, one hundred one".