11012222020221 has 16 divisors (see below), whose sum is σ = 16712315262720. Its totient is φ = 7162420825440.

The previous prime is 11012222020199. The next prime is 11012222020223. The reversal of 11012222020221 is 12202022221011.

It is a happy number.

It is not a de Polignac number, because 11012222020221 - 2¹⁴ = 11012222003837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012222020194 and 11012222020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012222020223) 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, 4973902245 + ... + 4973904458.

It is an arithmetic number, because the mean of its divisors is an integer number (1044519703920).

Almost surely, 2^{11012222020221} is an apocalyptic number.

It is an amenable number.

11012222020221 is a deficient number, since it is larger than the sum of its proper divisors (5700093242499).

11012222020221 is an equidigital number, since it uses as much as digits as its factorization.

11012222020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9947806753 (or 9947806747 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11012222020221 its reverse (12202022221011), we get a palindrome (23214244241232).

The spelling of 11012222020221 in words is "eleven trillion, twelve billion, two hundred twenty-two million, twenty thousand, two hundred twenty-one".