221112210212107 has 2 divisors, whose sum is σ = 221112210212108. Its totient is φ = 221112210212106.

The previous prime is 221112210212083. The next prime is 221112210212183. The reversal of 221112210212107 is 701212012211122.

It is a happy number.

221112210212107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221112210212107 is a prime.

It is not a weakly prime, because it can be changed into another prime (221112210282107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110556105106053 + 110556105106054.

It is an arithmetic number, because the mean of its divisors is an integer number (110556105106054).

Almost surely, 2^{221112210212107} is an apocalyptic number.

221112210212107 is a deficient number, since it is larger than the sum of its proper divisors (1).

221112210212107 is an equidigital number, since it uses as much as digits as its factorization.

221112210212107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 221112210212107 its reverse (701212012211122), we get a palindrome (922324222423229).

The spelling of 221112210212107 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred ten million, two hundred twelve thousand, one hundred seven".