112120220213 has 2 divisors, whose sum is σ = 112120220214. Its totient is φ = 112120220212.

The previous prime is 112120220203. The next prime is 112120220227. The reversal of 112120220213 is 312022021211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108809598769 + 3310621444 = 329863^2 + 57538^2 .

It is a cyclic number.

It is not a de Polignac number, because 112120220213 - 2²² = 112116025909 is a prime.

It is a super-2 number, since 2×112120220213² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112120220191 and 112120220200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112120220203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060110106 + 56060110107.

It is an arithmetic number, because the mean of its divisors is an integer number (56060110107).

Almost surely, 2^112120220213 is an apocalyptic number.

It is an amenable number.

112120220213 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120220213 is an equidigital number, since it uses as much as digits as its factorization.

112120220213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 112120220213 its reverse (312022021211), we get a palindrome (424142241424).

The spelling of 112120220213 in words is "one hundred twelve billion, one hundred twenty million, two hundred twenty thousand, two hundred thirteen".