12221100041 has 2 divisors, whose sum is σ = 12221100042. Its totient is φ = 12221100040.

The previous prime is 12221100019. The next prime is 12221100049. The reversal of 12221100041 is 14000112221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8371518016 + 3849582025 = 91496^2 + 62045^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221100041 - 2¹⁰ = 12221099017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221099989 and 12221100025.

It is not a weakly prime, because it can be changed into another prime (12221100049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110550020 + 6110550021.

It is an arithmetic number, because the mean of its divisors is an integer number (6110550021).

Almost surely, 2^12221100041 is an apocalyptic number.

It is an amenable number.

12221100041 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221100041 is an equidigital number, since it uses as much as digits as its factorization.

12221100041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221100041 its reverse (14000112221), we get a palindrome (26221212262).

The spelling of 12221100041 in words is "twelve billion, two hundred twenty-one million, one hundred thousand, forty-one".