2112413265221 has 8 divisors (see below), whose sum is σ = 2414216580864. Its totient is φ = 1810617447600.

The previous prime is 2112413265211. The next prime is 2112413265239. The reversal of 2112413265221 is 1225623142112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112413265221 is a prime.

It is a super-3 number, since 3×2112413265221³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112413265211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257245 + ... + 2409458.

It is an arithmetic number, because the mean of its divisors is an integer number (301777072608).

Almost surely, 2^{2112413265221} is an apocalyptic number.

It is an amenable number.

2112413265221 is a deficient number, since it is larger than the sum of its proper divisors (301803315643).

2112413265221 is an equidigital number, since it uses as much as digits as its factorization.

2112413265221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749011.

The product of its digits is 11520, while the sum is 32.

The spelling of 2112413265221 in words is "two trillion, one hundred twelve billion, four hundred thirteen million, two hundred sixty-five thousand, two hundred twenty-one".