2112130541 has 4 divisors (see below), whose sum is σ = 2236373532. Its totient is φ = 1987887552.

The previous prime is 2112130519. The next prime is 2112130547. The reversal of 2112130541 is 1450312112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1779068041 + 333062500 = 42179^2 + 18250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112130541 is a prime.

It is a super-2 number, since 2×2112130541² = 8922190844449905362, which contains 22 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 (2112130547) 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, 62121470 + ... + 62121503.

It is an arithmetic number, because the mean of its divisors is an integer number (559093383).

Almost surely, 2^2112130541 is an apocalyptic number.

It is an amenable number.

2112130541 is a deficient number, since it is larger than the sum of its proper divisors (124242991).

2112130541 is a wasteful number, since it uses less digits than its factorization.

2112130541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124242990.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2112130541 is about 45957.9214173139. The cubic root of 2112130541 is about 1283.0401654650.

Adding to 2112130541 its reverse (1450312112), we get a palindrome (3562442653).

The spelling of 2112130541 in words is "two billion, one hundred twelve million, one hundred thirty thousand, five hundred forty-one".