11122110221 has 8 divisors (see below), whose sum is σ = 11635795584. Its totient is φ = 10619968480.

The previous prime is 11122110211. The next prime is 11122110271. The reversal of 11122110221 is 12201122111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11122110221 - 2¹⁸ = 11121848077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122110196 and 11122110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122110211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883935 + ... + 2887788.

It is an arithmetic number, because the mean of its divisors is an integer number (1454474448).

Almost surely, 2^11122110221 is an apocalyptic number.

It is an amenable number.

11122110221 is a deficient number, since it is larger than the sum of its proper divisors (513685363).

11122110221 is an equidigital number, since it uses as much as digits as its factorization.

11122110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771811.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11122110221 its reverse (12201122111), we get a palindrome (23323232332).

The spelling of 11122110221 in words is "eleven billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".