120001109993 has 2 divisors, whose sum is σ = 120001109994. Its totient is φ = 120001109992.

The previous prime is 120001109953. The next prime is 120001109999. The reversal of 120001109993 is 399901100021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85210280464 + 34790829529 = 291908^2 + 186523^2 .

It is a cyclic number.

It is not a de Polignac number, because 120001109993 - 2²⁰ = 120000061417 is a prime.

It is not a weakly prime, because it can be changed into another prime (120001109999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000554996 + 60000554997.

It is an arithmetic number, because the mean of its divisors is an integer number (60000554997).

Almost surely, 2^120001109993 is an apocalyptic number.

It is an amenable number.

120001109993 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001109993 is an equidigital number, since it uses as much as digits as its factorization.

120001109993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 35.

The spelling of 120001109993 in words is "one hundred twenty billion, one million, one hundred nine thousand, nine hundred ninety-three".