11120022221 has 48 divisors (see below), whose sum is σ = 14793114240. Its totient is φ = 8249915520.

The previous prime is 11120022163. The next prime is 11120022241. The reversal of 11120022221 is 12222002111.

11120022221 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 11120022221 - 2⁶ = 11120022157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120022196 and 11120022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120022241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2836955 + ... + 2840871.

It is an arithmetic number, because the mean of its divisors is an integer number (308189880).

Almost surely, 2^11120022221 is an apocalyptic number.

11120022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11120022221 is a deficient number, since it is larger than the sum of its proper divisors (3673092019).

11120022221 is a wasteful number, since it uses less digits than its factorization.

11120022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4187 counting only the distinct ones).

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

Adding to 11120022221 its reverse (12222002111), we get a palindrome (23342024332).

The spelling of 11120022221 in words is "eleven billion, one hundred twenty million, twenty-two thousand, two hundred twenty-one".