102112120087 has 2 divisors, whose sum is σ = 102112120088. Its totient is φ = 102112120086.

The previous prime is 102112120051. The next prime is 102112120127. The reversal of 102112120087 is 780021211201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102112120087 - 2¹¹ = 102112118039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112120787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056060043 + 51056060044.

It is an arithmetic number, because the mean of its divisors is an integer number (51056060044).

Almost surely, 2^102112120087 is an apocalyptic number.

102112120087 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112120087 is an equidigital number, since it uses as much as digits as its factorization.

102112120087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 102112120087 its reverse (780021211201), we get a palindrome (882133331288).

The spelling of 102112120087 in words is "one hundred two billion, one hundred twelve million, one hundred twenty thousand, eighty-seven".