11102212100221 has 32 divisors (see below), whose sum is σ = 13220399525760. Its totient is φ = 9208500787200.

The previous prime is 11102212100209. The next prime is 11102212100269. The reversal of 11102212100221 is 12200121220111.

11102212100221 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 11102212100221 - 2¹³ = 11102212092029 is a prime.

It is a super-2 number, since 2×11102212100221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102212100195 and 11102212100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102212100621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3407911 + ... + 5815348.

It is an arithmetic number, because the mean of its divisors is an integer number (413137485180).

Almost surely, 2^{11102212100221} is an apocalyptic number.

11102212100221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11102212100221 is a deficient number, since it is larger than the sum of its proper divisors (2118187425539).

11102212100221 is a wasteful number, since it uses less digits than its factorization.

11102212100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223485.

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

Adding to 11102212100221 its reverse (12200121220111), we get a palindrome (23302333320332).

The spelling of 11102212100221 in words is "eleven trillion, one hundred two billion, two hundred twelve million, one hundred thousand, two hundred twenty-one".