110000011021 has 4 divisors (see below), whose sum is σ = 110456442844. Its totient is φ = 109543579200.

The previous prime is 110000011007. The next prime is 110000011039. The reversal of 110000011021 is 120110000011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120110000011 = 71 ⋅1691690141.

It can be written as a sum of positive squares in 2 ways, for example, as 80095226121 + 29904784900 = 283011^2 + 172930^2 .

It is a cyclic number.

It is not a de Polignac number, because 110000011021 - 2²⁹ = 109463140109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110000010995 and 110000011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110000011321) 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, 228215550 + ... + 228216031.

It is an arithmetic number, because the mean of its divisors is an integer number (27614110711).

Almost surely, 2^110000011021 is an apocalyptic number.

It is an amenable number.

110000011021 is a deficient number, since it is larger than the sum of its proper divisors (456431823).

110000011021 is an equidigital number, since it uses as much as digits as its factorization.

110000011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456431822.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 110000011021 its reverse (120110000011), we get a palindrome (230110011032).

The spelling of 110000011021 in words is "one hundred ten billion, eleven thousand, twenty-one".