111120151 has 16 divisors (see below), whose sum is σ = 122250240. Its totient is φ = 100604160.

The previous prime is 111120137. The next prime is 111120167. The reversal of 111120151 is 151021111.

It is a cyclic number.

It is not a de Polignac number, because 111120151 - 2¹⁷ = 110989079 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 (111120181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47751 + ... + 50023.

It is an arithmetic number, because the mean of its divisors is an integer number (7640640).

Almost surely, 2^111120151 is an apocalyptic number.

111120151 is a deficient number, since it is larger than the sum of its proper divisors (11130089).

111120151 is a wasteful number, since it uses less digits than its factorization.

111120151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406.

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 111120151 is about 10541.3543247535. The cubic root of 111120151 is about 480.7628941914.

Adding to 111120151 its reverse (151021111), we get a palindrome (262141262).

The spelling of 111120151 in words is "one hundred eleven million, one hundred twenty thousand, one hundred fifty-one".