2120223122191 has 2 divisors, whose sum is σ = 2120223122192. Its totient is φ = 2120223122190.

The previous prime is 2120223122177. The next prime is 2120223122231. The reversal of 2120223122191 is 1912213220212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120223122191 - 2⁵ = 2120223122159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120223122491) 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, 1060111561095 + 1060111561096.

It is an arithmetic number, because the mean of its divisors is an integer number (1060111561096).

Almost surely, 2^{2120223122191} is an apocalyptic number.

2120223122191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120223122191 is an equidigital number, since it uses as much as digits as its factorization.

2120223122191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 2120223122191 in words is "two trillion, one hundred twenty billion, two hundred twenty-three million, one hundred twenty-two thousand, one hundred ninety-one".