11021200112221 has 16 divisors (see below), whose sum is σ = 12046621777344. Its totient is φ = 10021167471744.

The previous prime is 11021200112189. The next prime is 11021200112227. The reversal of 11021200112221 is 12221100212011.

11021200112221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11021200112221 - 2⁵ = 11021200112189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021200112195 and 11021200112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021200112227) 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, 22405305 + ... + 22891921.

It is an arithmetic number, because the mean of its divisors is an integer number (752913861084).

Almost surely, 2^{11021200112221} is an apocalyptic number.

It is an amenable number.

11021200112221 is a deficient number, since it is larger than the sum of its proper divisors (1025421665123).

11021200112221 is a wasteful number, since it uses less digits than its factorization.

11021200112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512700.

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

Adding to 11021200112221 its reverse (12221100212011), we get a palindrome (23242300324232).

The spelling of 11021200112221 in words is "eleven trillion, twenty-one billion, two hundred million, one hundred twelve thousand, two hundred twenty-one".