102189611 has 2 divisors, whose sum is σ = 102189612. Its totient is φ = 102189610.

The previous prime is 102189599. The next prime is 102189653. The reversal of 102189611 is 116981201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102189611 - 2²² = 97995307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102189211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51094805 + 51094806.

It is an arithmetic number, because the mean of its divisors is an integer number (51094806).

Almost surely, 2^102189611 is an apocalyptic number.

102189611 is a deficient number, since it is larger than the sum of its proper divisors (1).

102189611 is an equidigital number, since it uses as much as digits as its factorization.

102189611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 102189611 is about 10108.8877231870. The cubic root of 102189611 is about 467.5222115711.

The spelling of 102189611 in words is "one hundred two million, one hundred eighty-nine thousand, six hundred eleven".