102022100987 has 2 divisors, whose sum is σ = 102022100988. Its totient is φ = 102022100986.

The previous prime is 102022100977. The next prime is 102022101011. The reversal of 102022100987 is 789001220201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (789001220201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102022100987 - 2¹⁴ = 102022084603 is a prime.

It is not a weakly prime, because it can be changed into another prime (102022100977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51011050493 + 51011050494.

It is an arithmetic number, because the mean of its divisors is an integer number (51011050494).

Almost surely, 2^102022100987 is an apocalyptic number.

102022100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

102022100987 is an equidigital number, since it uses as much as digits as its factorization.

102022100987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 102022100987 in words is "one hundred two billion, twenty-two million, one hundred thousand, nine hundred eighty-seven".