220123011113 has 2 divisors, whose sum is σ = 220123011114. Its totient is φ = 220123011112.

The previous prime is 220123011109. The next prime is 220123011149. The reversal of 220123011113 is 311110321022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214186616809 + 5936394304 = 462803^2 + 77048^2 .

It is a cyclic number.

It is not a de Polignac number, because 220123011113 - 2² = 220123011109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220123011091 and 220123011100.

It is not a weakly prime, because it can be changed into another prime (220123061113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061505556 + 110061505557.

It is an arithmetic number, because the mean of its divisors is an integer number (110061505557).

Almost surely, 2^220123011113 is an apocalyptic number.

It is an amenable number.

220123011113 is a deficient number, since it is larger than the sum of its proper divisors (1).

220123011113 is an equidigital number, since it uses as much as digits as its factorization.

220123011113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 220123011113 its reverse (311110321022), we get a palindrome (531233332135).

The spelling of 220123011113 in words is "two hundred twenty billion, one hundred twenty-three million, eleven thousand, one hundred thirteen".