120992100099 has 16 divisors (see below), whose sum is σ = 176676864000. Its totient is φ = 73194698016.

The previous prime is 120992100091. The next prime is 120992100113. The reversal of 120992100099 is 990001299021.

It is not a de Polignac number, because 120992100099 - 2³ = 120992100091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120992100099.

It is not an unprimeable number, because it can be changed into a prime (120992100091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26288899 + ... + 26293500.

It is an arithmetic number, because the mean of its divisors is an integer number (11042304000).

Almost surely, 2^120992100099 is an apocalyptic number.

120992100099 is a deficient number, since it is larger than the sum of its proper divisors (55684763901).

120992100099 is a wasteful number, since it uses less digits than its factorization.

120992100099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52582474.

The product of its (nonzero) digits is 26244, while the sum is 42.

The spelling of 120992100099 in words is "one hundred twenty billion, nine hundred ninety-two million, one hundred thousand, ninety-nine".