2112524656421 has 8 divisors (see below), whose sum is σ = 2118940713120. Its totient is φ = 2106112624272.

The previous prime is 2112524656397. The next prime is 2112524656439. The reversal of 2112524656421 is 1246564252112.

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-2112524656421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112524656441) 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, 46946 + ... + 2056028.

It is an arithmetic number, because the mean of its divisors is an integer number (264867589140).

Almost surely, 2^{2112524656421} is an apocalyptic number.

It is an amenable number.

2112524656421 is a deficient number, since it is larger than the sum of its proper divisors (6416056699).

2112524656421 is a wasteful number, since it uses less digits than its factorization.

2112524656421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012275.

The product of its digits is 230400, while the sum is 41.

The spelling of 2112524656421 in words is "two trillion, one hundred twelve billion, five hundred twenty-four million, six hundred fifty-six thousand, four hundred twenty-one".