1101112110221 has 16 divisors (see below), whose sum is σ = 1196674828800. Its totient is φ = 1009322726400.

The previous prime is 1101112110181. The next prime is 1101112110227. The reversal of 1101112110221 is 1220112111011.

It is a cyclic number.

It is not a de Polignac number, because 1101112110221 - 2²² = 1101107915917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101112110196 and 1101112110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101112110227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3082565 + ... + 3421173.

It is an arithmetic number, because the mean of its divisors is an integer number (74792176800).

Almost surely, 2^{1101112110221} is an apocalyptic number.

It is an amenable number.

1101112110221 is a deficient number, since it is larger than the sum of its proper divisors (95562718579).

1101112110221 is a wasteful number, since it uses less digits than its factorization.

1101112110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344180.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1101112110221 its reverse (1220112111011), we get a palindrome (2321224221232).

The spelling of 1101112110221 in words is "one trillion, one hundred one billion, one hundred twelve million, one hundred ten thousand, two hundred twenty-one".