110112110021 has 4 divisors (see below), whose sum is σ = 110119263072. Its totient is φ = 110104956972.

The previous prime is 110112109999. The next prime is 110112110023. The reversal of 110112110021 is 120011211011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110112110021 - 2¹⁸ = 110111847877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110112109984 and 110112110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112110023) 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 3 ways as a sum of consecutive naturals, for example, 3553385 + ... + 3584238.

It is an arithmetic number, because the mean of its divisors is an integer number (27529815768).

Almost surely, 2^110112110021 is an apocalyptic number.

It is an amenable number.

110112110021 is a deficient number, since it is larger than the sum of its proper divisors (7153051).

110112110021 is an equidigital number, since it uses as much as digits as its factorization.

110112110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7153050.

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

Adding to 110112110021 its reverse (120011211011), we get a palindrome (230123321032).

The spelling of 110112110021 in words is "one hundred ten billion, one hundred twelve million, one hundred ten thousand, twenty-one".