1111323101203 has 16 divisors (see below), whose sum is σ = 1343648320000. Its totient is φ = 897892947072.

The previous prime is 1111323101197. The next prime is 1111323101233. The reversal of 1111323101203 is 3021013231111.

It is a cyclic number.

It is not a de Polignac number, because 1111323101203 - 2⁹ = 1111323100691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1111323101233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20968038 + ... + 21020971.

It is an arithmetic number, because the mean of its divisors is an integer number (83978020000).

Almost surely, 2^{1111323101203} is an apocalyptic number.

1111323101203 is a deficient number, since it is larger than the sum of its proper divisors (232325218797).

1111323101203 is a wasteful number, since it uses less digits than its factorization.

1111323101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41989234.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1111323101203 its reverse (3021013231111), we get a palindrome (4132336332314).

The spelling of 1111323101203 in words is "one trillion, one hundred eleven billion, three hundred twenty-three million, one hundred one thousand, two hundred three".