1100200120203 has 16 divisors (see below), whose sum is σ = 1470091628160. Its totient is φ = 731888661504.

The previous prime is 1100200120189. The next prime is 1100200120223. The reversal of 1100200120203 is 3020210020011.

It is not a de Polignac number, because 1100200120203 - 2²⁰ = 1100199071627 is a prime.

It is a super-2 number, since 2×1100200120203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100200120223) 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, 4420600 + ... + 4662842.

It is an arithmetic number, because the mean of its divisors is an integer number (91880726760).

Almost surely, 2^{1100200120203} is an apocalyptic number.

1100200120203 is a deficient number, since it is larger than the sum of its proper divisors (369891507957).

1100200120203 is a wasteful number, since it uses less digits than its factorization.

1100200120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245498.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1100200120203 its reverse (3020210020011), we get a palindrome (4120410140214).

The spelling of 1100200120203 in words is "one trillion, one hundred billion, two hundred million, one hundred twenty thousand, two hundred three".