120021001193 has 2 divisors, whose sum is σ = 120021001194. Its totient is φ = 120021001192.

The previous prime is 120021001189. The next prime is 120021001277. The reversal of 120021001193 is 391100120021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103991415529 + 16029585664 = 322477^2 + 126608^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021001193 - 2² = 120021001189 is a prime.

It is not a weakly prime, because it can be changed into another prime (120021001153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010500596 + 60010500597.

It is an arithmetic number, because the mean of its divisors is an integer number (60010500597).

Almost surely, 2^120021001193 is an apocalyptic number.

It is an amenable number.

120021001193 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021001193 is an equidigital number, since it uses as much as digits as its factorization.

120021001193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 120021001193 in words is "one hundred twenty billion, twenty-one million, one thousand, one hundred ninety-three".