1101233211203 has 4 divisors (see below), whose sum is σ = 1139206770240. Its totient is φ = 1063259652168.

The previous prime is 1101233211181. The next prime is 1101233211227. The reversal of 1101233211203 is 3021123321011.

It is a happy number.

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 1101233211203 - 2²⁰ = 1101232162627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101233211233) 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 3 ways as a sum of consecutive naturals, for example, 18986779475 + ... + 18986779532.

It is an arithmetic number, because the mean of its divisors is an integer number (284801692560).

Almost surely, 2^{1101233211203} is an apocalyptic number.

1101233211203 is a deficient number, since it is larger than the sum of its proper divisors (37973559037).

1101233211203 is an equidigital number, since it uses as much as digits as its factorization.

1101233211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37973559036.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1101233211203 its reverse (3021123321011), we get a palindrome (4122356532214).

The spelling of 1101233211203 in words is "one trillion, one hundred one billion, two hundred thirty-three million, two hundred eleven thousand, two hundred three".