111111210212063 has 2 divisors, whose sum is σ = 111111210212064. Its totient is φ = 111111210212062.

The previous prime is 111111210211999. The next prime is 111111210212071. The reversal of 111111210212063 is 360212012111111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111111210212063 - 2⁶ = 111111210211999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111111210214063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555605106031 + 55555605106032.

It is an arithmetic number, because the mean of its divisors is an integer number (55555605106032).

Almost surely, 2^{111111210212063} is an apocalyptic number.

111111210212063 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111210212063 is an equidigital number, since it uses as much as digits as its factorization.

111111210212063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 111111210212063 its reverse (360212012111111), we get a palindrome (471323222323174).

The spelling of 111111210212063 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred ten million, two hundred twelve thousand, sixty-three".