100100999987 has 2 divisors, whose sum is σ = 100100999988. Its totient is φ = 100100999986.

The previous prime is 100100999963. The next prime is 100101000011. The reversal of 100100999987 is 789999001001.

It is a balanced prime because it is at equal distance from previous prime (100100999963) and next prime (100101000011).

It is a cyclic number.

It is not a de Polignac number, because 100100999987 - 2¹⁴ = 100100983603 is a prime.

It is not a weakly prime, because it can be changed into another prime (100100999587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050499993 + 50050499994.

It is an arithmetic number, because the mean of its divisors is an integer number (50050499994).

Almost surely, 2^100100999987 is an apocalyptic number.

100100999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100999987 is an equidigital number, since it uses as much as digits as its factorization.

100100999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 53.

The spelling of 100100999987 in words is "one hundred billion, one hundred million, nine hundred ninety-nine thousand, nine hundred eighty-seven".