11010220221121 has 16 divisors (see below), whose sum is σ = 12322147457088. Its totient is φ = 9753193051200.

The previous prime is 11010220221061. The next prime is 11010220221131. The reversal of 11010220221121 is 12112202201011.

It is a cyclic number.

It is not a de Polignac number, because 11010220221121 - 2¹⁵ = 11010220188353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010220221095 and 11010220221104.

It is not an unprimeable number, because it can be changed into a prime (11010220221131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76604250 + ... + 76747843.

It is an arithmetic number, because the mean of its divisors is an integer number (770134216068).

Almost surely, 2^{11010220221121} is an apocalyptic number.

11010220221121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11010220221121 is a deficient number, since it is larger than the sum of its proper divisors (1311927235967).

11010220221121 is a wasteful number, since it uses less digits than its factorization.

11010220221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153352272.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11010220221121 its reverse (12112202201011), we get a palindrome (23122422422132).

The spelling of 11010220221121 in words is "eleven trillion, ten billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twenty-one".