1112120213 has 2 divisors, whose sum is σ = 1112120214. Its totient is φ = 1112120212.

The previous prime is 1112120197. The next prime is 1112120239. The reversal of 1112120213 is 3120212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1061326084 + 50794129 = 32578^2 + 7127^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112120213 - 2⁴ = 1112120197 is a prime.

It is a super-2 number, since 2×1112120213² = 2473622736326330738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112120413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556060106 + 556060107.

It is an arithmetic number, because the mean of its divisors is an integer number (556060107).

Almost surely, 2^1112120213 is an apocalyptic number.

It is an amenable number.

1112120213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112120213 is an equidigital number, since it uses as much as digits as its factorization.

1112120213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1112120213 is about 33348.4664265090. The cubic root of 1112120213 is about 1036.0576251966.

Adding to 1112120213 its reverse (3120212111), we get a palindrome (4232332324).

The spelling of 1112120213 in words is "one billion, one hundred twelve million, one hundred twenty thousand, two hundred thirteen".