221110001041 has 2 divisors, whose sum is σ = 221110001042. Its totient is φ = 221110001040.

The previous prime is 221110001009. The next prime is 221110001053. The reversal of 221110001041 is 140100011122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218575885441 + 2534115600 = 467521^2 + 50340^2 .

It is a cyclic number.

It is not a de Polignac number, because 221110001041 - 2⁵ = 221110001009 is a prime.

It is not a weakly prime, because it can be changed into another prime (221110001081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110555000520 + 110555000521.

It is an arithmetic number, because the mean of its divisors is an integer number (110555000521).

Almost surely, 2^221110001041 is an apocalyptic number.

It is an amenable number.

221110001041 is a deficient number, since it is larger than the sum of its proper divisors (1).

221110001041 is an equidigital number, since it uses as much as digits as its factorization.

221110001041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221110001041 its reverse (140100011122), we get a palindrome (361210012163).

The spelling of 221110001041 in words is "two hundred twenty-one billion, one hundred ten million, one thousand, forty-one".