11010133203221 has 16 divisors (see below), whose sum is σ = 11074892981040. Its totient is φ = 10945572126720.

The previous prime is 11010133203197. The next prime is 11010133203301. The reversal of 11010133203221 is 12230233101011.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3563298028900 + 7446835174321 = 1887670^2 + 2728889^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010133203221 - 2¹⁸ = 11010132941077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010133203193 and 11010133203202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010133200221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 281130881 + ... + 281170041.

It is an arithmetic number, because the mean of its divisors is an integer number (692180811315).

Almost surely, 2^{11010133203221} is an apocalyptic number.

It is an amenable number.

11010133203221 is a deficient number, since it is larger than the sum of its proper divisors (64759777819).

11010133203221 is a wasteful number, since it uses less digits than its factorization.

11010133203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41656.

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

Adding to 11010133203221 its reverse (12230233101011), we get a palindrome (23240366304232).

The spelling of 11010133203221 in words is "eleven trillion, ten billion, one hundred thirty-three million, two hundred three thousand, two hundred twenty-one".