1101130443 has 64 divisors (see below), whose sum is σ = 1998858240. Its totient is φ = 592064640.

The previous prime is 1101130423. The next prime is 1101130463. The reversal of 1101130443 is 3440311011.

1101130443 is a `hidden beast` number, since 110 + 113 + 0 + 443 = 666.

It is an interprime number because it is at equal distance from previous prime (1101130423) and next prime (1101130463).

It is not a de Polignac number, because 1101130443 - 2⁵ = 1101130411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101130423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 258138 + ... + 262368.

It is an arithmetic number, because the mean of its divisors is an integer number (31232160).

Almost surely, 2^1101130443 is an apocalyptic number.

1101130443 is a deficient number, since it is larger than the sum of its proper divisors (897727797).

1101130443 is an frugal number, since it uses more digits than its factorization.

1101130443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276 (or 4258 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1101130443 is about 33183.2855968182. The cubic root of 1101130443 is about 1032.6336107035.

Adding to 1101130443 its reverse (3440311011), we get a palindrome (4541441454).

The spelling of 1101130443 in words is "one billion, one hundred one million, one hundred thirty thousand, four hundred forty-three".