201110112112021 has 8 divisors (see below), whose sum is σ = 229840337721600. Its totient is φ = 172379938900848.

The previous prime is 201110112111959. The next prime is 201110112112037. The reversal of 201110112112021 is 120211211011102.

201110112112021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201110112112021 - 2¹⁷ = 201110111980949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201110112111986 and 201110112112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110112112051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4498621 + ... + 20553778.

It is an arithmetic number, because the mean of its divisors is an integer number (28730042215200).

Almost surely, 2^{201110112112021} is an apocalyptic number.

It is an amenable number.

201110112112021 is a deficient number, since it is larger than the sum of its proper divisors (28730225609579).

201110112112021 is a wasteful number, since it uses less digits than its factorization.

201110112112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26199203.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 201110112112021 its reverse (120211211011102), we get a palindrome (321321323123123).

The spelling of 201110112112021 in words is "two hundred one trillion, one hundred ten billion, one hundred twelve million, one hundred twelve thousand, twenty-one".