2112530051 has 4 divisors (see below), whose sum is σ = 2113741032. Its totient is φ = 2111319072.

The previous prime is 2112530023. The next prime is 2112530087. The reversal of 2112530051 is 1500352112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112530051 - 2¹⁸ = 2112267907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112530351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602870 + ... + 606363.

It is an arithmetic number, because the mean of its divisors is an integer number (528435258).

Almost surely, 2^2112530051 is an apocalyptic number.

2112530051 is a deficient number, since it is larger than the sum of its proper divisors (1210981).

2112530051 is a wasteful number, since it uses less digits than its factorization.

2112530051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210980.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2112530051 is about 45962.2676877458. The cubic root of 2112530051 is about 1283.1210561504.

Adding to 2112530051 its reverse (1500352112), we get a palindrome (3612882163).

The spelling of 2112530051 in words is "two billion, one hundred twelve million, five hundred thirty thousand, fifty-one".