1111132312203 has 16 divisors (see below), whose sum is σ = 1529790789632. Its totient is φ = 716629680000.

The previous prime is 1111132312177. The next prime is 1111132312219. The reversal of 1111132312203 is 3022132311111.

It is not a de Polignac number, because 1111132312203 - 2⁶ = 1111132312139 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 1111132312203.

It is not an unprimeable number, because it can be changed into a prime (1111132312273) 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 15 ways as a sum of consecutive naturals, for example, 1623823 + ... + 2204328.

It is an arithmetic number, because the mean of its divisors is an integer number (95611924352).

Almost surely, 2^{1111132312203} is an apocalyptic number.

1111132312203 is a deficient number, since it is larger than the sum of its proper divisors (418658477429).

1111132312203 is a wasteful number, since it uses less digits than its factorization.

1111132312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831306.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1111132312203 its reverse (3022132311111), we get a palindrome (4133264623314).

The spelling of 1111132312203 in words is "one trillion, one hundred eleven billion, one hundred thirty-two million, three hundred twelve thousand, two hundred three".