110112111020021 has 32 divisors (see below), whose sum is σ = 129390670356480. Its totient is φ = 92659336545600.

The previous prime is 110112111019921. The next prime is 110112111020059. The reversal of 110112111020021 is 120020111211011.

It is not a de Polignac number, because 110112111020021 - 2¹⁰ = 110112111018997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110112111019978 and 110112111020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112111023021) 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, 701187650 + ... + 701344668.

It is an arithmetic number, because the mean of its divisors is an integer number (4043458448640).

Almost surely, 2^{110112111020021} is an apocalyptic number.

110112111020021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110112111020021 is a deficient number, since it is larger than the sum of its proper divisors (19278559336459).

110112111020021 is a wasteful number, since it uses less digits than its factorization.

110112111020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246497.

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

Adding to 110112111020021 its reverse (120020111211011), we get a palindrome (230132222231032).

The spelling of 110112111020021 in words is "one hundred ten trillion, one hundred twelve billion, one hundred eleven million, twenty thousand, twenty-one".