11120221211121 has 24 divisors (see below), whose sum is σ = 17587913279040. Its totient is φ = 6714473983200.

The previous prime is 11120221211107. The next prime is 11120221211159. The reversal of 11120221211121 is 12111212202111.

It is a happy number.

11120221211121 is a `hidden beast` number, since 1 + 112 + 0 + 221 + 211 + 121 = 666.

It is not a de Polignac number, because 11120221211121 - 2¹¹ = 11120221209073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120221211094 and 11120221211103.

It is not an unprimeable number, because it can be changed into a prime (11120221211821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208756765 + ... + 208810026.

It is an arithmetic number, because the mean of its divisors is an integer number (732829719960).

Almost surely, 2^{11120221211121} is an apocalyptic number.

11120221211121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11120221211121 is a deficient number, since it is larger than the sum of its proper divisors (6467692067919).

11120221211121 is a wasteful number, since it uses less digits than its factorization.

11120221211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417567077 (or 417567074 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11120221211121 its reverse (12111212202111), we get a palindrome (23231433413232).

The spelling of 11120221211121 in words is "eleven trillion, one hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-one".