220003103161 has 2 divisors, whose sum is σ = 220003103162. Its totient is φ = 220003103160.

The previous prime is 220003103149. The next prime is 220003103231. The reversal of 220003103161 is 161301300022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203350491136 + 16652612025 = 450944^2 + 129045^2 .

It is a cyclic number.

It is not a de Polignac number, because 220003103161 - 2¹⁵ = 220003070393 is a prime.

It is not a weakly prime, because it can be changed into another prime (220003103141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001551580 + 110001551581.

It is an arithmetic number, because the mean of its divisors is an integer number (110001551581).

Almost surely, 2^220003103161 is an apocalyptic number.

It is an amenable number.

220003103161 is a deficient number, since it is larger than the sum of its proper divisors (1).

220003103161 is an equidigital number, since it uses as much as digits as its factorization.

220003103161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 220003103161 its reverse (161301300022), we get a palindrome (381304403183).

The spelling of 220003103161 in words is "two hundred twenty billion, three million, one hundred three thousand, one hundred sixty-one".