2163122041 has 4 divisors (see below), whose sum is σ = 2290364532. Its totient is φ = 2035879552.

The previous prime is 2163122033. The next prime is 2163122047. The reversal of 2163122041 is 1402213612.

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 1543311225 + 619810816 = 39285^2 + 24896^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163122041 - 2³ = 2163122033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163122047) 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, 63621220 + ... + 63621253.

It is an arithmetic number, because the mean of its divisors is an integer number (572591133).

Almost surely, 2^2163122041 is an apocalyptic number.

It is an amenable number.

2163122041 is a deficient number, since it is larger than the sum of its proper divisors (127242491).

2163122041 is a wasteful number, since it uses less digits than its factorization.

2163122041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127242490.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2163122041 is about 46509.3758397164. The cubic root of 2163122041 is about 1293.2833135894.

Adding to 2163122041 its reverse (1402213612), we get a palindrome (3565335653).

The spelling of 2163122041 in words is "two billion, one hundred sixty-three million, one hundred twenty-two thousand, forty-one".