102222102091 has 2 divisors, whose sum is σ = 102222102092. Its totient is φ = 102222102090.

The previous prime is 102222102049. The next prime is 102222102113. The reversal of 102222102091 is 190201222201.

It is an a-pointer prime, because the next prime (102222102113) can be obtained adding 102222102091 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102222102091 is a prime.

It is not a weakly prime, because it can be changed into another prime (102222102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111051045 + 51111051046.

It is an arithmetic number, because the mean of its divisors is an integer number (51111051046).

Almost surely, 2^102222102091 is an apocalyptic number.

102222102091 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222102091 is an equidigital number, since it uses as much as digits as its factorization.

102222102091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 102222102091 its reverse (190201222201), we get a palindrome (292423324292).

The spelling of 102222102091 in words is "one hundred two billion, two hundred twenty-two million, one hundred two thousand, ninety-one".