1100231001 has 24 divisors (see below), whose sum is σ = 1640475200. Its totient is φ = 710034336.

The previous prime is 1100230969. The next prime is 1100231017. The reversal of 1100231001 is 1001320011.

It is not a de Polignac number, because 1100231001 - 2⁵ = 1100230969 is a prime.

It is a super-2 number, since 2×1100231001² = 2421016511122924002, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100231021) 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, 57966 + ... + 74568.

Almost surely, 2^1100231001 is an apocalyptic number.

It is an amenable number.

1100231001 is a deficient number, since it is larger than the sum of its proper divisors (540244199).

1100231001 is a wasteful number, since it uses less digits than its factorization.

1100231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16845 (or 16842 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1100231001 is about 33169.7301918481. The cubic root of 1100231001 is about 1032.3523703196.

Adding to 1100231001 its reverse (1001320011), we get a palindrome (2101551012).

The spelling of 1100231001 in words is "one billion, one hundred million, two hundred thirty-one thousand, one".