213223022111243 has 2 divisors, whose sum is σ = 213223022111244. Its totient is φ = 213223022111242.

The previous prime is 213223022111107. The next prime is 213223022111261. The reversal of 213223022111243 is 342111220322312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213223022111243 - 2²² = 213223017916939 is a prime.

It is not a weakly prime, because it can be changed into another prime (213223022116243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106611511055621 + 106611511055622.

It is an arithmetic number, because the mean of its divisors is an integer number (106611511055622).

Almost surely, 2^{213223022111243} is an apocalyptic number.

213223022111243 is a deficient number, since it is larger than the sum of its proper divisors (1).

213223022111243 is an equidigital number, since it uses as much as digits as its factorization.

213223022111243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 213223022111243 its reverse (342111220322312), we get a palindrome (555334242433555).

The spelling of 213223022111243 in words is "two hundred thirteen trillion, two hundred twenty-three billion, twenty-two million, one hundred eleven thousand, two hundred forty-three".