213112110214243 has 2 divisors, whose sum is σ = 213112110214244. Its totient is φ = 213112110214242.

The previous prime is 213112110214207. The next prime is 213112110214253. The reversal of 213112110214243 is 342412011211312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213112110214243 is a prime.

It is a super-2 number, since 2×213112110214243² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213112110214253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556055107121 + 106556055107122.

It is an arithmetic number, because the mean of its divisors is an integer number (106556055107122).

Almost surely, 2^{213112110214243} is an apocalyptic number.

213112110214243 is a deficient number, since it is larger than the sum of its proper divisors (1).

213112110214243 is an equidigital number, since it uses as much as digits as its factorization.

213112110214243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 213112110214243 its reverse (342412011211312), we get a palindrome (555524121425555).

The spelling of 213112110214243 in words is "two hundred thirteen trillion, one hundred twelve billion, one hundred ten million, two hundred fourteen thousand, two hundred forty-three".