201112112213 has 2 divisors, whose sum is σ = 201112112214. Its totient is φ = 201112112212.

The previous prime is 201112112189. The next prime is 201112112269. The reversal of 201112112213 is 312211211102.

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., 171534303889 + 29577808324 = 414167^2 + 171982^2 .

It is a cyclic number.

It is not a de Polignac number, because 201112112213 - 2⁸ = 201112111957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201112112191 and 201112112200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201115112213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556056106 + 100556056107.

It is an arithmetic number, because the mean of its divisors is an integer number (100556056107).

Almost surely, 2^201112112213 is an apocalyptic number.

It is an amenable number.

201112112213 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112112213 is an equidigital number, since it uses as much as digits as its factorization.

201112112213 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 17.

Adding to 201112112213 its reverse (312211211102), we get a palindrome (513323323315).

The spelling of 201112112213 in words is "two hundred one billion, one hundred twelve million, one hundred twelve thousand, two hundred thirteen".