2112001212021 has 8 divisors (see below), whose sum is σ = 2981648769984. Its totient is φ = 1325177231040.

The previous prime is 2112001211993. The next prime is 2112001212031. The reversal of 2112001212021 is 1202121002112.

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

It is not a de Polignac number, because 2112001212021 - 2²² = 2111997017717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112001212031) 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, 20705894185 + ... + 20705894286.

It is an arithmetic number, because the mean of its divisors is an integer number (372706096248).

Almost surely, 2^{2112001212021} is an apocalyptic number.

It is an amenable number.

2112001212021 is a deficient number, since it is larger than the sum of its proper divisors (869647557963).

2112001212021 is a wasteful number, since it uses less digits than its factorization.

2112001212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41411788491.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112001212021 its reverse (1202121002112), we get a palindrome (3314122214133).

The spelling of 2112001212021 in words is "two trillion, one hundred twelve billion, one million, two hundred twelve thousand, twenty-one".