1111023233103 has 16 divisors (see below), whose sum is σ = 1766595949056. Its totient is φ = 607267356960.

The previous prime is 1111023233029. The next prime is 1111023233107. The reversal of 1111023233103 is 3013323201111.

It is a happy number.

It is not a de Polignac number, because 1111023233103 - 2⁹ = 1111023232591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1111023233103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111023233107) 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, 1150127088 + ... + 1150128053.

It is an arithmetic number, because the mean of its divisors is an integer number (110412246816).

Almost surely, 2^{1111023233103} is an apocalyptic number.

1111023233103 is a deficient number, since it is larger than the sum of its proper divisors (655572715953).

1111023233103 is a wasteful number, since it uses less digits than its factorization.

1111023233103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300255174.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1111023233103 its reverse (3013323201111), we get a palindrome (4124346434214).

The spelling of 1111023233103 in words is "one trillion, one hundred eleven billion, twenty-three million, two hundred thirty-three thousand, one hundred three".