1103212231203 has 4 divisors (see below), whose sum is σ = 1470949641608. Its totient is φ = 735474820800.

The previous prime is 1103212231171. The next prime is 1103212231223. The reversal of 1103212231203 is 3021322123011.

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

It is not a de Polignac number, because 1103212231203 - 2⁵ = 1103212231171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103212231203.

It is not an unprimeable number, because it can be changed into a prime (1103212231223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183868705198 + ... + 183868705203.

It is an arithmetic number, because the mean of its divisors is an integer number (367737410402).

Almost surely, 2^{1103212231203} is an apocalyptic number.

1103212231203 is a deficient number, since it is larger than the sum of its proper divisors (367737410405).

1103212231203 is an equidigital number, since it uses as much as digits as its factorization.

1103212231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367737410404.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1103212231203 its reverse (3021322123011), we get a palindrome (4124534354214).

The spelling of 1103212231203 in words is "one trillion, one hundred three billion, two hundred twelve million, two hundred thirty-one thousand, two hundred three".