101001100987 has 2 divisors, whose sum is σ = 101001100988. Its totient is φ = 101001100986.

The previous prime is 101001100957. The next prime is 101001101021. The reversal of 101001100987 is 789001100101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101001100987 is a prime.

It is not a weakly prime, because it can be changed into another prime (101001100957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500550493 + 50500550494.

It is an arithmetic number, because the mean of its divisors is an integer number (50500550494).

Almost surely, 2^101001100987 is an apocalyptic number.

101001100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101001100987 is an equidigital number, since it uses as much as digits as its factorization.

101001100987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 101001100987 in words is "one hundred one billion, one million, one hundred thousand, nine hundred eighty-seven".