101303021987 has 2 divisors, whose sum is σ = 101303021988. Its totient is φ = 101303021986.

The previous prime is 101303021983. The next prime is 101303021993. The reversal of 101303021987 is 789120303101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101303021987 - 2² = 101303021983 is a prime.

It is not a weakly prime, because it can be changed into another prime (101303021983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50651510993 + 50651510994.

It is an arithmetic number, because the mean of its divisors is an integer number (50651510994).

Almost surely, 2^101303021987 is an apocalyptic number.

101303021987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101303021987 is an equidigital number, since it uses as much as digits as its factorization.

101303021987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 101303021987 in words is "one hundred one billion, three hundred three million, twenty-one thousand, nine hundred eighty-seven".