120101199999 has 16 divisors (see below), whose sum is σ = 174698820480. Its totient is φ = 72786036960.

The previous prime is 120101199989. The next prime is 120101200019. The reversal of 120101199999 is 999991101021.

It is a de Polignac number, because none of the positive numbers 2^k-120101199999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101199989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1349037 + ... + 1435305.

It is an arithmetic number, because the mean of its divisors is an integer number (10918676280).

Almost surely, 2^120101199999 is an apocalyptic number.

120101199999 is a deficient number, since it is larger than the sum of its proper divisors (54597620481).

120101199999 is a wasteful number, since it uses less digits than its factorization.

120101199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128470.

The product of its (nonzero) digits is 118098, while the sum is 51.

The spelling of 120101199999 in words is "one hundred twenty billion, one hundred one million, one hundred ninety-nine thousand, nine hundred ninety-nine".