120211110191 has 2 divisors, whose sum is σ = 120211110192. Its totient is φ = 120211110190.

The previous prime is 120211110143. The next prime is 120211110199. The reversal of 120211110191 is 191011112021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120211110191 - 2¹⁸ = 120210848047 is a prime.

It is a super-3 number, since 3×120211110191³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120211110199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105555095 + 60105555096.

It is an arithmetic number, because the mean of its divisors is an integer number (60105555096).

Almost surely, 2^120211110191 is an apocalyptic number.

120211110191 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211110191 is an equidigital number, since it uses as much as digits as its factorization.

120211110191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 120211110191 in words is "one hundred twenty billion, two hundred eleven million, one hundred ten thousand, one hundred ninety-one".