120271111 has 4 divisors (see below), whose sum is σ = 120310432. Its totient is φ = 120231792.

The previous prime is 120271079. The next prime is 120271139. The reversal of 120271111 is 111172021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111172021 = 19 ⋅5851159.

It is a cyclic number.

It is not a de Polignac number, because 120271111 - 2⁵ = 120271079 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 (120271171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14646 + ... + 21331.

It is an arithmetic number, because the mean of its divisors is an integer number (30077608).

Almost surely, 2^120271111 is an apocalyptic number.

120271111 is a deficient number, since it is larger than the sum of its proper divisors (39321).

120271111 is an equidigital number, since it uses as much as digits as its factorization.

120271111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39320.

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 120271111 is about 10966.8186362317. The cubic root of 120271111 is about 493.6135894919.

The spelling of 120271111 in words is "one hundred twenty million, two hundred seventy-one thousand, one hundred eleven".