120100100985 has 24 divisors (see below), whose sum is σ = 208219886784. Its totient is φ = 64039116960.

The previous prime is 120100100971. The next prime is 120100101019. The reversal of 120100100985 is 589001001021.

It is not a de Polignac number, because 120100100985 - 2¹⁶ = 120100035449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91501 + ... + 498570.

It is an arithmetic number, because the mean of its divisors is an integer number (8675828616).

Almost surely, 2^120100100985 is an apocalyptic number.

120100100985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120100100985 is a deficient number, since it is larger than the sum of its proper divisors (88119785799).

120100100985 is a wasteful number, since it uses less digits than its factorization.

120100100985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594605 (or 594602 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 120100100985 in words is "one hundred twenty billion, one hundred million, one hundred thousand, nine hundred eighty-five".