110897212221 has 24 divisors (see below), whose sum is σ = 161211907584. Its totient is φ = 73457828640.

The previous prime is 110897212211. The next prime is 110897212241. The reversal of 110897212221 is 122212798011.

It is not a de Polignac number, because 110897212221 - 2⁹ = 110897211709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110897212211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3880035 + ... + 3908511.

It is an arithmetic number, because the mean of its divisors is an integer number (6717162816).

Almost surely, 2^110897212221 is an apocalyptic number.

It is an amenable number.

110897212221 is a deficient number, since it is larger than the sum of its proper divisors (50314695363).

110897212221 is a wasteful number, since it uses less digits than its factorization.

110897212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31241 (or 31238 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 110897212221 in words is "one hundred ten billion, eight hundred ninety-seven million, two hundred twelve thousand, two hundred twenty-one".