1100100323203 has 16 divisors (see below), whose sum is σ = 1276989220864. Its totient is φ = 928165677120.

The previous prime is 1100100323167. The next prime is 1100100323219. The reversal of 1100100323203 is 3023230010011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100100323203 is a prime.

It is a super-2 number, since 2×1100100323203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100100323263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268275 + ... + 1507372.

It is an arithmetic number, because the mean of its divisors is an integer number (79811826304).

Almost surely, 2^{1100100323203} is an apocalyptic number.

1100100323203 is a deficient number, since it is larger than the sum of its proper divisors (176888897661).

1100100323203 is a wasteful number, since it uses less digits than its factorization.

1100100323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777042.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1100100323203 its reverse (3023230010011), we get a palindrome (4123330333214).

The spelling of 1100100323203 in words is "one trillion, one hundred billion, one hundred million, three hundred twenty-three thousand, two hundred three".