220035050161 has 2 divisors, whose sum is σ = 220035050162. Its totient is φ = 220035050160.

The previous prime is 220035050149. The next prime is 220035050237. The reversal of 220035050161 is 161050530022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170953306225 + 49081743936 = 413465^2 + 221544^2 .

It is a cyclic number.

It is not a de Polignac number, because 220035050161 - 2²⁹ = 219498179249 is a prime.

It is a super-2 number, since 2×220035050161² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220035050861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110017525080 + 110017525081.

It is an arithmetic number, because the mean of its divisors is an integer number (110017525081).

Almost surely, 2^220035050161 is an apocalyptic number.

It is an amenable number.

220035050161 is a deficient number, since it is larger than the sum of its proper divisors (1).

220035050161 is an equidigital number, since it uses as much as digits as its factorization.

220035050161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 220035050161 its reverse (161050530022), we get a palindrome (381085580183).

The spelling of 220035050161 in words is "two hundred twenty billion, thirty-five million, fifty thousand, one hundred sixty-one".