1011113212303 has 4 divisors (see below), whose sum is σ = 1013046507688. Its totient is φ = 1009179916920.

The previous prime is 1011113212271. The next prime is 1011113212349. The reversal of 1011113212303 is 3032123111101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011113212303 - 2⁵ = 1011113212271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011113212903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966646908 + ... + 966647953.

It is an arithmetic number, because the mean of its divisors is an integer number (253261626922).

Almost surely, 2^{1011113212303} is an apocalyptic number.

1011113212303 is a deficient number, since it is larger than the sum of its proper divisors (1933295385).

1011113212303 is an equidigital number, since it uses as much as digits as its factorization.

1011113212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933295384.

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

Adding to 1011113212303 its reverse (3032123111101), we get a palindrome (4043236323404).

The spelling of 1011113212303 in words is "one trillion, eleven billion, one hundred thirteen million, two hundred twelve thousand, three hundred three".