41124123221 has 4 divisors (see below), whose sum is σ = 41149494444. Its totient is φ = 41098752000.

The previous prime is 41124123199. The next prime is 41124123259. The reversal of 41124123221 is 12232142114.

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 17557575025 + 23566548196 = 132505^2 + 153514^2 .

It is a cyclic number.

It is not a de Polignac number, because 41124123221 - 2²⁶ = 41057014357 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 (41124123721) 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, 12683180 + ... + 12686421.

It is an arithmetic number, because the mean of its divisors is an integer number (10287373611).

Almost surely, 2^41124123221 is an apocalyptic number.

It is an amenable number.

41124123221 is a deficient number, since it is larger than the sum of its proper divisors (25371223).

41124123221 is a wasteful number, since it uses less digits than its factorization.

41124123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25371222.

The product of its digits is 768, while the sum is 23.

Adding to 41124123221 its reverse (12232142114), we get a palindrome (53356265335).

The spelling of 41124123221 in words is "forty-one billion, one hundred twenty-four million, one hundred twenty-three thousand, two hundred twenty-one".