120001109999 has 2 divisors, whose sum is σ = 120001110000. Its totient is φ = 120001109998.

The previous prime is 120001109993. The next prime is 120001110049. The reversal of 120001109999 is 999901100021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120001109999 - 2²⁸ = 119732674543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120001109993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000554999 + 60000555000.

It is an arithmetic number, because the mean of its divisors is an integer number (60000555000).

Almost surely, 2^120001109999 is an apocalyptic number.

120001109999 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001109999 is an equidigital number, since it uses as much as digits as its factorization.

120001109999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 41.

The spelling of 120001109999 in words is "one hundred twenty billion, one million, one hundred nine thousand, nine hundred ninety-nine".