41011112221 has 2 divisors, whose sum is σ = 41011112222. Its totient is φ = 41011112220.

The previous prime is 41011112213. The next prime is 41011112231. The reversal of 41011112221 is 12221111014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25100064900 + 15911047321 = 158430^2 + 126139^2 .

It is a cyclic number.

It is not a de Polignac number, because 41011112221 - 2³ = 41011112213 is a prime.

It is a super-2 number, since 2×41011112221² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41011112195 and 41011112204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41011112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20505556110 + 20505556111.

It is an arithmetic number, because the mean of its divisors is an integer number (20505556111).

Almost surely, 2^41011112221 is an apocalyptic number.

It is an amenable number.

41011112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

41011112221 is an equidigital number, since it uses as much as digits as its factorization.

41011112221 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 16.

Adding to 41011112221 its reverse (12221111014), we get a palindrome (53232223235).

The spelling of 41011112221 in words is "forty-one billion, eleven million, one hundred twelve thousand, two hundred twenty-one".