1000220019941 has 2 divisors, whose sum is σ = 1000220019942. Its totient is φ = 1000220019940.

The previous prime is 1000220019863. The next prime is 1000220019947. The reversal of 1000220019941 is 1499100220001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 642155411716 + 358064608225 = 801346^2 + 598385^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000220019941 - 2³⁸ = 725342112997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000220019947) 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, 500110009970 + 500110009971.

It is an arithmetic number, because the mean of its divisors is an integer number (500110009971).

Almost surely, 2^{1000220019941} is an apocalyptic number.

It is an amenable number.

1000220019941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000220019941 is an equidigital number, since it uses as much as digits as its factorization.

1000220019941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

Adding to 1000220019941 its reverse (1499100220001), we get a palindrome (2499320239942).

The spelling of 1000220019941 in words is "one trillion, two hundred twenty million, nineteen thousand, nine hundred forty-one".