1011100011203 has 4 divisors (see below), whose sum is σ = 1035760987128. Its totient is φ = 986439035280.

The previous prime is 1011100011179. The next prime is 1011100011217. The reversal of 1011100011203 is 3021100011101.

It is a happy number.

1011100011203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1011100011203 - 2¹² = 1011100007107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011100011223) 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, 12330487901 + ... + 12330487982.

It is an arithmetic number, because the mean of its divisors is an integer number (258940246782).

Almost surely, 2^{1011100011203} is an apocalyptic number.

1011100011203 is a deficient number, since it is larger than the sum of its proper divisors (24660975925).

1011100011203 is an equidigital number, since it uses as much as digits as its factorization.

1011100011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24660975924.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1011100011203 its reverse (3021100011101), we get a palindrome (4032200022304).

The spelling of 1011100011203 in words is "one trillion, eleven billion, one hundred million, eleven thousand, two hundred three".