101285986118 has 4 divisors (see below), whose sum is σ = 151928979180. Its totient is φ = 50642993058.

The previous prime is 101285986117. The next prime is 101285986129. The reversal of 101285986118 is 811689582101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 811689582101 = 37 ⋅21937556273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101285986117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25321496528 + ... + 25321496531.

It is an arithmetic number, because the mean of its divisors is an integer number (37982244795).

Almost surely, 2^101285986118 is an apocalyptic number.

101285986118 is a deficient number, since it is larger than the sum of its proper divisors (50642993062).

101285986118 is an equidigital number, since it uses as much as digits as its factorization.

101285986118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50642993061.

The product of its (nonzero) digits is 276480, while the sum is 50.

The spelling of 101285986118 in words is "one hundred one billion, two hundred eighty-five million, nine hundred eighty-six thousand, one hundred eighteen".