120201011009999 has 4 divisors (see below), whose sum is σ = 120279522449160. Its totient is φ = 120122499570840.

The previous prime is 120201011009983. The next prime is 120201011010049. The reversal of 120201011009999 is 999900110102021.

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 120201011009999 - 2⁴ = 120201011009983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201011009929) 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, 39255717284 + ... + 39255720345.

It is an arithmetic number, because the mean of its divisors is an integer number (30069880612290).

Almost surely, 2^{120201011009999} is an apocalyptic number.

120201011009999 is a deficient number, since it is larger than the sum of its proper divisors (78511439161).

120201011009999 is an equidigital number, since it uses as much as digits as its factorization.

120201011009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78511439160.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 120201011009999 in words is "one hundred twenty trillion, two hundred one billion, eleven million, nine thousand, nine hundred ninety-nine".