1120122111 has 4 divisors (see below), whose sum is σ = 1493496152. Its totient is φ = 746748072.

The previous prime is 1120122043. The next prime is 1120122121. The reversal of 1120122111 is 1112210211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1120122111 - 2¹¹ = 1120120063 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 (1120122121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186687016 + ... + 186687021.

It is an arithmetic number, because the mean of its divisors is an integer number (373374038).

Almost surely, 2^1120122111 is an apocalyptic number.

1120122111 is a deficient number, since it is larger than the sum of its proper divisors (373374041).

1120122111 is an equidigital number, since it uses as much as digits as its factorization.

1120122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373374040.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1120122111 is about 33468.2253936476. The cubic root of 1120122111 is about 1038.5365607039.

Adding to 1120122111 its reverse (1112210211), we get a palindrome (2232332322).

The spelling of 1120122111 in words is "one billion, one hundred twenty million, one hundred twenty-two thousand, one hundred eleven".