102111133231087 has 2 divisors, whose sum is σ = 102111133231088. Its totient is φ = 102111133231086.

The previous prime is 102111133230919. The next prime is 102111133231099. The reversal of 102111133231087 is 780132331111201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102111133231087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111133261087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055566615543 + 51055566615544.

It is an arithmetic number, because the mean of its divisors is an integer number (51055566615544).

Almost surely, 2^{102111133231087} is an apocalyptic number.

102111133231087 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111133231087 is an equidigital number, since it uses as much as digits as its factorization.

102111133231087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

Adding to 102111133231087 its reverse (780132331111201), we get a palindrome (882243464342288).

The spelling of 102111133231087 in words is "one hundred two trillion, one hundred eleven billion, one hundred thirty-three million, two hundred thirty-one thousand, eighty-seven".