102212107 has 2 divisors, whose sum is σ = 102212108. Its totient is φ = 102212106.

The previous prime is 102212059. The next prime is 102212111. The reversal of 102212107 is 701212201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102212107 is a prime.

It is not a weakly prime, because it can be changed into another prime (102212137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106053 + 51106054.

It is an arithmetic number, because the mean of its divisors is an integer number (51106054).

Almost surely, 2^102212107 is an apocalyptic number.

102212107 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212107 is an equidigital number, since it uses as much as digits as its factorization.

102212107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 102212107 is about 10110.0003461919. Note that the first 3 decimals coincide. The cubic root of 102212107 is about 467.5565158019.

Adding to 102212107 its reverse (701212201), we get a palindrome (803424308).

The spelling of 102212107 in words is "one hundred two million, two hundred twelve thousand, one hundred seven".