1101100232003 has 4 divisors (see below), whose sum is σ = 1104005510040. Its totient is φ = 1098194953968.

The previous prime is 1101100231981. The next prime is 1101100232069. The reversal of 1101100232003 is 3002320011011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101100232003 - 2³⁰ = 1100026490179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101100232303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452638450 + ... + 1452639207.

It is an arithmetic number, because the mean of its divisors is an integer number (276001377510).

Almost surely, 2^{1101100232003} is an apocalyptic number.

1101100232003 is a deficient number, since it is larger than the sum of its proper divisors (2905278037).

1101100232003 is an equidigital number, since it uses as much as digits as its factorization.

1101100232003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905278036.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1101100232003 its reverse (3002320011011), we get a palindrome (4103420243014).

The spelling of 1101100232003 in words is "one trillion, one hundred one billion, one hundred million, two hundred thirty-two thousand, three".