220111032289 has 2 divisors, whose sum is σ = 220111032290. Its totient is φ = 220111032288.

The previous prime is 220111032221. The next prime is 220111032293. The reversal of 220111032289 is 982230111022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218743290000 + 1367742289 = 467700^2 + 36983^2 .

It is a cyclic number.

It is not a de Polignac number, because 220111032289 - 2¹¹ = 220111030241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220111032289.

It is not a weakly prime, because it can be changed into another prime (220111032299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110055516144 + 110055516145.

It is an arithmetic number, because the mean of its divisors is an integer number (110055516145).

Almost surely, 2^220111032289 is an apocalyptic number.

It is an amenable number.

220111032289 is a deficient number, since it is larger than the sum of its proper divisors (1).

220111032289 is an equidigital number, since it uses as much as digits as its factorization.

220111032289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 220111032289 in words is "two hundred twenty billion, one hundred eleven million, thirty-two thousand, two hundred eighty-nine".