110110111112021 has 8 divisors (see below), whose sum is σ = 111239982408864. Its totient is φ = 108981017701200.

The previous prime is 110110111111963. The next prime is 110110111112077. The reversal of 110110111112021 is 120211111011011.

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 110110111112021 - 2³⁴ = 110092931242837 is a prime.

It is a super-2 number, since 2×110110111112021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110110111111987 and 110110111112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110110111112621) 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 7 ways as a sum of consecutive naturals, for example, 194186951 + ... + 194753156.

It is an arithmetic number, because the mean of its divisors is an integer number (13904997801108).

Almost surely, 2^{110110111112021} is an apocalyptic number.

It is an amenable number.

110110111112021 is a deficient number, since it is larger than the sum of its proper divisors (1129871296843).

110110111112021 is a wasteful number, since it uses less digits than its factorization.

110110111112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388943011.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 110110111112021 its reverse (120211111011011), we get a palindrome (230321222123032).

The spelling of 110110111112021 in words is "one hundred ten trillion, one hundred ten billion, one hundred eleven million, one hundred twelve thousand, twenty-one".