220001233061 has 2 divisors, whose sum is σ = 220001233062. Its totient is φ = 220001233060.

The previous prime is 220001233057. The next prime is 220001233157. The reversal of 220001233061 is 160332100022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179763280225 + 40237952836 = 423985^2 + 200594^2 .

It is a cyclic number.

It is not a de Polignac number, because 220001233061 - 2² = 220001233057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220001233261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000616530 + 110000616531.

It is an arithmetic number, because the mean of its divisors is an integer number (110000616531).

Almost surely, 2^220001233061 is an apocalyptic number.

It is an amenable number.

220001233061 is a deficient number, since it is larger than the sum of its proper divisors (1).

220001233061 is an equidigital number, since it uses as much as digits as its factorization.

220001233061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 220001233061 its reverse (160332100022), we get a palindrome (380333333083).

The spelling of 220001233061 in words is "two hundred twenty billion, one million, two hundred thirty-three thousand, sixty-one".