1100110112021 has 8 divisors (see below), whose sum is σ = 1148116141080. Its totient is φ = 1052775496192.

The previous prime is 1100110111987. The next prime is 1100110112033. The reversal of 1100110112021 is 1202110110011.

It can be written as a sum of positive squares in 4 ways, for example, as 154752544996 + 945357567025 = 393386^2 + 972295^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1100110112021 - 2⁶ = 1100110111957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100110111993 and 1100110112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100110114021) 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, 167849960 + ... + 167856513.

It is an arithmetic number, because the mean of its divisors is an integer number (143514517635).

Almost surely, 2^{1100110112021} is an apocalyptic number.

It is an amenable number.

1100110112021 is a deficient number, since it is larger than the sum of its proper divisors (48006029059).

1100110112021 is a wasteful number, since it uses less digits than its factorization.

1100110112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335706615.

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

Adding to 1100110112021 its reverse (1202110110011), we get a palindrome (2302220222032).

The spelling of 1100110112021 in words is "one trillion, one hundred billion, one hundred ten million, one hundred twelve thousand, twenty-one".