1120120111 has 12 divisors (see below), whose sum is σ = 1239069496. Its totient is φ = 1011787920.

The previous prime is 1120120097. The next prime is 1120120147. The reversal of 1120120111 is 1110210211.

It is not a de Polignac number, because 1120120111 - 2¹¹ = 1120118063 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 (1120120151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10485 + ... + 48478.

Almost surely, 2^1120120111 is an apocalyptic number.

1120120111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1120120111 is a deficient number, since it is larger than the sum of its proper divisors (118949385).

1120120111 is a wasteful number, since it uses less digits than its factorization.

1120120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59142 (or 59131 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1120120111 is about 33468.1955145478. The cubic root of 1120120111 is about 1038.5359425944.

Adding to 1120120111 its reverse (1110210211), we get a palindrome (2230330322).

The spelling of 1120120111 in words is "one billion, one hundred twenty million, one hundred twenty thousand, one hundred eleven".