110110112021 has 32 divisors (see below), whose sum is σ = 143531958528. Its totient is φ = 81972495360.

The previous prime is 110110112017. The next prime is 110110112033. The reversal of 110110112021 is 120211011011.

It is not a de Polignac number, because 110110112021 - 2² = 110110112017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110110111993 and 110110112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110110112011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7249391 + ... + 7264563.

It is an arithmetic number, because the mean of its divisors is an integer number (4485373704).

Almost surely, 2^110110112021 is an apocalyptic number.

It is an amenable number.

110110112021 is a deficient number, since it is larger than the sum of its proper divisors (33421846507).

110110112021 is a wasteful number, since it uses less digits than its factorization.

110110112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19901.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110110112021 its reverse (120211011011), we get a palindrome (230321123032).

The spelling of 110110112021 in words is "one hundred ten billion, one hundred ten million, one hundred twelve thousand, twenty-one".