120001110191 has 2 divisors, whose sum is σ = 120001110192. Its totient is φ = 120001110190.

The previous prime is 120001110181. The next prime is 120001110211. The reversal of 120001110191 is 191011100021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120001110191 - 2¹⁸ = 120000848047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120001110101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000555095 + 60000555096.

It is an arithmetic number, because the mean of its divisors is an integer number (60000555096).

Almost surely, 2^120001110191 is an apocalyptic number.

120001110191 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001110191 is an equidigital number, since it uses as much as digits as its factorization.

120001110191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 120001110191 in words is "one hundred twenty billion, one million, one hundred ten thousand, one hundred ninety-one".