11331220021203 has 8 divisors (see below), whose sum is σ = 15110063138448. Its totient is φ = 7553261792384.

The previous prime is 11331220021193. The next prime is 11331220021207. The reversal of 11331220021203 is 30212002213311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11331220021203 - 2²¹ = 11331217924051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11331220021203.

It is not an unprimeable number, because it can be changed into a prime (11331220021207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221192226 + ... + 221243447.

It is an arithmetic number, because the mean of its divisors is an integer number (1888757892306).

Almost surely, 2^{11331220021203} is an apocalyptic number.

11331220021203 is a deficient number, since it is larger than the sum of its proper divisors (3778843117245).

11331220021203 is an equidigital number, since it uses as much as digits as its factorization.

11331220021203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442444213.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11331220021203 its reverse (30212002213311), we get a palindrome (41543222234514).

The spelling of 11331220021203 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty million, twenty-one thousand, two hundred three".