11201121033203 has 4 divisors (see below), whose sum is σ = 11207120564280. Its totient is φ = 11195121502128.

The previous prime is 11201121033191. The next prime is 11201121033227. The reversal of 11201121033203 is 30233012110211.

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 11201121033203 - 2⁴ = 11201121033187 is a prime.

It is a super-2 number, since 2×11201121033203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201121033293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2999762738 + ... + 2999766471.

It is an arithmetic number, because the mean of its divisors is an integer number (2801780141070).

Almost surely, 2^{11201121033203} is an apocalyptic number.

11201121033203 is a deficient number, since it is larger than the sum of its proper divisors (5999531077).

11201121033203 is an equidigital number, since it uses as much as digits as its factorization.

11201121033203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999531076.

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

Adding to 11201121033203 its reverse (30233012110211), we get a palindrome (41434133143414).

The spelling of 11201121033203 in words is "eleven trillion, two hundred one billion, one hundred twenty-one million, thirty-three thousand, two hundred three".