1011111230003 has 16 divisors (see below), whose sum is σ = 1159913556480. Its totient is φ = 863403541056.

The previous prime is 1011111229903. The next prime is 1011111230039. The reversal of 1011111230003 is 3000321111101.

It is a happy number.

It is not a de Polignac number, because 1011111230003 - 2¹⁰ = 1011111228979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011111230003.

It is not an unprimeable number, because it can be changed into a prime (1011111230903) 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, 2138375 + ... + 2568047.

It is an arithmetic number, because the mean of its divisors is an integer number (72494597280).

Almost surely, 2^{1011111230003} is an apocalyptic number.

1011111230003 is a deficient number, since it is larger than the sum of its proper divisors (148802326477).

1011111230003 is an equidigital number, since it uses as much as digits as its factorization.

1011111230003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430946.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1011111230003 its reverse (3000321111101), we get a palindrome (4011432341104).

The spelling of 1011111230003 in words is "one trillion, eleven billion, one hundred eleven million, two hundred thirty thousand, three".