11120220221 has 8 divisors (see below), whose sum is σ = 12242445600. Its totient is φ = 10016544240.

The previous prime is 11120220191. The next prime is 11120220227. The reversal of 11120220221 is 12202202111.

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 11120220221 - 2¹⁴ = 11120203837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120220196 and 11120220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120220227) 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, 4636091 + ... + 4638488.

It is an arithmetic number, because the mean of its divisors is an integer number (1530305700).

Almost surely, 2^11120220221 is an apocalyptic number.

11120220221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11120220221 is a deficient number, since it is larger than the sum of its proper divisors (1122225379).

11120220221 is a wasteful number, since it uses less digits than its factorization.

11120220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274699.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11120220221 its reverse (12202202111), we get a palindrome (23322422332).

The spelling of 11120220221 in words is "eleven billion, one hundred twenty million, two hundred twenty thousand, two hundred twenty-one".