2221123103113 has 2 divisors, whose sum is σ = 2221123103114. Its totient is φ = 2221123103112.

The previous prime is 2221123103083. The next prime is 2221123103149. The reversal of 2221123103113 is 3113013211222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1546272354064 + 674850749049 = 1243492^2 + 821493^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221123103113 - 2³⁷ = 2083684149641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221123113113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110561551556 + 1110561551557.

It is an arithmetic number, because the mean of its divisors is an integer number (1110561551557).

Almost surely, 2^{2221123103113} is an apocalyptic number.

It is an amenable number.

2221123103113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221123103113 is an equidigital number, since it uses as much as digits as its factorization.

2221123103113 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 22.

Adding to 2221123103113 its reverse (3113013211222), we get a palindrome (5334136314335).

The spelling of 2221123103113 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-three million, one hundred three thousand, one hundred thirteen".