2112032021 has 8 divisors (see below), whose sum is σ = 2307416544. Its totient is φ = 1917211120.

The previous prime is 2112032011. The next prime is 2112032029. The reversal of 2112032021 is 1202302112.

It is a happy number.

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

It is not a de Polignac number, because 2112032021 - 2¹⁰ = 2112030997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112031987 and 2112032005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112032029) 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, 133046 + ... + 148071.

It is an arithmetic number, because the mean of its divisors is an integer number (288427068).

Almost surely, 2^2112032021 is an apocalyptic number.

It is an amenable number.

2112032021 is a deficient number, since it is larger than the sum of its proper divisors (195384523).

2112032021 is a wasteful number, since it uses less digits than its factorization.

2112032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281811.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2112032021 is about 45956.8495547726. The cubic root of 2112032021 is about 1283.0202160853.

Adding to 2112032021 its reverse (1202302112), we get a palindrome (3314334133).

The spelling of 2112032021 in words is "two billion, one hundred twelve million, thirty-two thousand, twenty-one".