102111222107 has 2 divisors, whose sum is σ = 102111222108. Its totient is φ = 102111222106.

The previous prime is 102111222079. The next prime is 102111222113. The reversal of 102111222107 is 701222111201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102111222107 - 2¹⁴ = 102111205723 is a prime.

It is not a weakly prime, because it can be changed into another prime (102111222197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055611053 + 51055611054.

It is an arithmetic number, because the mean of its divisors is an integer number (51055611054).

Almost surely, 2^102111222107 is an apocalyptic number.

102111222107 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111222107 is an equidigital number, since it uses as much as digits as its factorization.

102111222107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 102111222107 its reverse (701222111201), we get a palindrome (803333333308).

The spelling of 102111222107 in words is "one hundred two billion, one hundred eleven million, two hundred twenty-two thousand, one hundred seven".