11033220121002 has 24 divisors (see below), whose sum is σ = 23905630512036. Its totient is φ = 3677690771136.

The previous prime is 11033220120959. The next prime is 11033220121013. The reversal of 11033220121002 is 20012102233011.

11033220121002 is a `hidden beast` number, since 110 + 332 + 201 + 21 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9740335144401 + 1292884976601 = 3120951^2 + 1137051^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2712033 + ... + 5424164.

Almost surely, 2^{11033220121002} is an apocalyptic number.

11033220121002 is an abundant number, since it is smaller than the sum of its proper divisors (12872410391034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11033220121002 is a wasteful number, since it uses less digits than its factorization.

11033220121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211542 (or 8211539 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11033220121002 its reverse (20012102233011), we get a palindrome (31045322354013).

The spelling of 11033220121002 in words is "eleven trillion, thirty-three billion, two hundred twenty million, one hundred twenty-one thousand, two".