110020002221 has 2 divisors, whose sum is σ = 110020002222. Its totient is φ = 110020002220.

The previous prime is 110020002187. The next prime is 110020002299. The reversal of 110020002221 is 122200020011.

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., 68806536100 + 41213466121 = 262310^2 + 203011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110020002221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110020602221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010001110 + 55010001111.

It is an arithmetic number, because the mean of its divisors is an integer number (55010001111).

Almost surely, 2^110020002221 is an apocalyptic number.

It is an amenable number.

110020002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110020002221 is an equidigital number, since it uses as much as digits as its factorization.

110020002221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 110020002221 its reverse (122200020011), we get a palindrome (232220022232).

The spelling of 110020002221 in words is "one hundred ten billion, twenty million, two thousand, two hundred twenty-one".