2222120113 has 2 divisors, whose sum is σ = 2222120114. Its totient is φ = 2222120112.

The previous prime is 2222120111. The next prime is 2222120123. The reversal of 2222120113 is 3110212222.

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., 1682394289 + 539725824 = 41017^2 + 23232^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222120113 - 2¹ = 2222120111 is a prime.

Together with 2222120111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2222120111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111060056 + 1111060057.

It is an arithmetic number, because the mean of its divisors is an integer number (1111060057).

Almost surely, 2^2222120113 is an apocalyptic number.

It is an amenable number.

2222120113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222120113 is an equidigital number, since it uses as much as digits as its factorization.

2222120113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2222120113 is about 47139.3690348100. The cubic root of 2222120113 is about 1304.9358928790.

Adding to 2222120113 its reverse (3110212222), we get a palindrome (5332332335).

The spelling of 2222120113 in words is "two billion, two hundred twenty-two million, one hundred twenty thousand, one hundred thirteen".