2002221113 has 2 divisors, whose sum is σ = 2002221114. Its totient is φ = 2002221112.

The previous prime is 2002221097. The next prime is 2002221173. The reversal of 2002221113 is 3111222002.

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., 1872898729 + 129322384 = 43277^2 + 11372^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002221113 - 2⁴ = 2002221097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002221173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001110556 + 1001110557.

It is an arithmetic number, because the mean of its divisors is an integer number (1001110557).

Almost surely, 2^2002221113 is an apocalyptic number.

It is an amenable number.

2002221113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002221113 is an equidigital number, since it uses as much as digits as its factorization.

2002221113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2002221113 is about 44746.1854575337. The cubic root of 2002221113 is about 1260.3872818490.

Adding to 2002221113 its reverse (3111222002), we get a palindrome (5113443115).

The spelling of 2002221113 in words is "two billion, two million, two hundred twenty-one thousand, one hundred thirteen".