2112025521 has 8 divisors (see below), whose sum is σ = 2817301824. Its totient is φ = 1407383120.

The previous prime is 2112025499. The next prime is 2112025571. The reversal of 2112025521 is 1255202112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112025521 - 2¹³ = 2112017329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2112025571) 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, 150645 + ... + 164066.

It is an arithmetic number, because the mean of its divisors is an integer number (352162728).

Almost surely, 2^2112025521 is an apocalyptic number.

It is an amenable number.

2112025521 is a deficient number, since it is larger than the sum of its proper divisors (705276303).

2112025521 is a wasteful number, since it uses less digits than its factorization.

2112025521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316951.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2112025521 is about 45956.7788362065. The cubic root of 2112025521 is about 1283.0188998742.

Adding to 2112025521 its reverse (1255202112), we get a palindrome (3367227633).

The spelling of 2112025521 in words is "two billion, one hundred twelve million, twenty-five thousand, five hundred twenty-one".