11020000201221 has 32 divisors (see below), whose sum is σ = 16450531688448. Its totient is φ = 6504109597440.

The previous prime is 11020000201187. The next prime is 11020000201237. The reversal of 11020000201221 is 12210200002011.

It is not a de Polignac number, because 11020000201221 - 2¹⁰ = 11020000200197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020000201197 and 11020000201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020000201421) 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 31 ways as a sum of consecutive naturals, for example, 11044101 + ... + 12000506.

It is an arithmetic number, because the mean of its divisors is an integer number (514079115264).

Almost surely, 2^{11020000201221} is an apocalyptic number.

11020000201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020000201221 is a deficient number, since it is larger than the sum of its proper divisors (5430531487227).

11020000201221 is a wasteful number, since it uses less digits than its factorization.

11020000201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23045001.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11020000201221 its reverse (12210200002011), we get a palindrome (23230200203232).

The spelling of 11020000201221 in words is "eleven trillion, twenty billion, two hundred one thousand, two hundred twenty-one".