1001132111 has 8 divisors (see below), whose sum is σ = 1144433664. Its totient is φ = 857901240.

The previous prime is 1001132107. The next prime is 1001132131. The reversal of 1001132111 is 1112311001.

It is a happy number.

1001132111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1001132111 - 2² = 1001132107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001132092 and 1001132101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001132131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17306 + ... + 47976.

It is an arithmetic number, because the mean of its divisors is an integer number (143054208).

Almost surely, 2^1001132111 is an apocalyptic number.

1001132111 is a deficient number, since it is larger than the sum of its proper divisors (143301553).

1001132111 is an equidigital number, since it uses as much as digits as its factorization.

1001132111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35341.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1001132111 is about 31640.6717849037. The cubic root of 1001132111 is about 1000.3772280145.

Adding to 1001132111 its reverse (1112311001), we get a palindrome (2113443112).

The spelling of 1001132111 in words is "one billion, one million, one hundred thirty-two thousand, one hundred eleven".