101870378899 has 4 divisors (see below), whose sum is σ = 103305173040. Its totient is φ = 100435584760.

The previous prime is 101870378887. The next prime is 101870378941. The reversal of 101870378899 is 998873078101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101870378899 - 2⁹ = 101870378387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101870378299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717396964 + ... + 717397105.

It is an arithmetic number, because the mean of its divisors is an integer number (25826293260).

Almost surely, 2^101870378899 is an apocalyptic number.

101870378899 is a deficient number, since it is larger than the sum of its proper divisors (1434794141).

101870378899 is an equidigital number, since it uses as much as digits as its factorization.

101870378899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434794140.

The product of its (nonzero) digits is 6096384, while the sum is 61.

The spelling of 101870378899 in words is "one hundred one billion, eight hundred seventy million, three hundred seventy-eight thousand, eight hundred ninety-nine".