1011113011203 has 4 divisors (see below), whose sum is σ = 1348150681608. Its totient is φ = 674075340800.

The previous prime is 1011113011109. The next prime is 1011113011229. The reversal of 1011113011203 is 3021103111101.

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 1011113011203 - 2¹⁰ = 1011113010179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011113011253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168518835198 + ... + 168518835203.

It is an arithmetic number, because the mean of its divisors is an integer number (337037670402).

Almost surely, 2^{1011113011203} is an apocalyptic number.

1011113011203 is a deficient number, since it is larger than the sum of its proper divisors (337037670405).

1011113011203 is an equidigital number, since it uses as much as digits as its factorization.

1011113011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337037670404.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1011113011203 its reverse (3021103111101), we get a palindrome (4032216122304).

The spelling of 1011113011203 in words is "one trillion, eleven billion, one hundred thirteen million, eleven thousand, two hundred three".