120220120191 has 4 divisors (see below), whose sum is σ = 160293493592. Its totient is φ = 80146746792.

The previous prime is 120220120151. The next prime is 120220120211. The reversal of 120220120191 is 191021022021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120220120191 - 2²⁶ = 120153011327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220120151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20036686696 + ... + 20036686701.

It is an arithmetic number, because the mean of its divisors is an integer number (40073373398).

Almost surely, 2^120220120191 is an apocalyptic number.

120220120191 is a deficient number, since it is larger than the sum of its proper divisors (40073373401).

120220120191 is an equidigital number, since it uses as much as digits as its factorization.

120220120191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40073373400.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 120220120191 in words is "one hundred twenty billion, two hundred twenty million, one hundred twenty thousand, one hundred ninety-one".