101100120109987 has 2 divisors, whose sum is σ = 101100120109988. Its totient is φ = 101100120109986.

The previous prime is 101100120109981. The next prime is 101100120109999. The reversal of 101100120109987 is 789901021001101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101100120109987 is a prime.

It is not a weakly prime, because it can be changed into another prime (101100120109981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550060054993 + 50550060054994.

It is an arithmetic number, because the mean of its divisors is an integer number (50550060054994).

Almost surely, 2^{101100120109987} is an apocalyptic number.

101100120109987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101100120109987 is an equidigital number, since it uses as much as digits as its factorization.

101100120109987 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 40.

The spelling of 101100120109987 in words is "one hundred one trillion, one hundred billion, one hundred twenty million, one hundred nine thousand, nine hundred eighty-seven".