1120111101 has 24 divisors (see below), whose sum is σ = 1670115200. Its totient is φ = 722864736.

The previous prime is 1120111099. The next prime is 1120111193. The reversal of 1120111101 is 1011110211.

It is not a de Polignac number, because 1120111101 - 2¹ = 1120111099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120112101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57816 + ... + 74718.

Almost surely, 2^1120111101 is an apocalyptic number.

It is an amenable number.

1120111101 is a deficient number, since it is larger than the sum of its proper divisors (550004099).

1120111101 is a wasteful number, since it uses less digits than its factorization.

1120111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17145 (or 17142 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 1120111101 is about 33468.0609088725. The cubic root of 1120111101 is about 1038.5331580019.

Adding to 1120111101 its reverse (1011110211), we get a palindrome (2131221312).

The spelling of 1120111101 in words is "one billion, one hundred twenty million, one hundred eleven thousand, one hundred one".