1110112110021 has 16 divisors (see below), whose sum is σ = 1581306598400. Its totient is φ = 690658906608.

The previous prime is 1110112110013. The next prime is 1110112110061. The reversal of 1110112110021 is 1200112110111.

It is not a de Polignac number, because 1110112110021 - 2³ = 1110112110013 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 = 1110112109979 and 1110112110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110112110011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145336861 + ... + 145344498.

It is an arithmetic number, because the mean of its divisors is an integer number (98831662400).

Almost surely, 2^{1110112110021} is an apocalyptic number.

It is an amenable number.

1110112110021 is a deficient number, since it is larger than the sum of its proper divisors (471194488379).

1110112110021 is a wasteful number, since it uses less digits than its factorization.

1110112110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290681448.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1110112110021 its reverse (1200112110111), we get a palindrome (2310224220132).

The spelling of 1110112110021 in words is "one trillion, one hundred ten billion, one hundred twelve million, one hundred ten thousand, twenty-one".