110211200021 has 8 divisors (see below), whose sum is σ = 118696442424. Its totient is φ = 101727023040.

The previous prime is 110211199993. The next prime is 110211200027. The reversal of 110211200021 is 120002112011.

It can be written as a sum of positive squares in 4 ways, for example, as 1252452100 + 108958747921 = 35390^2 + 330089^2 .

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 110211200021 - 2¹⁰ = 110211198997 is a prime.

It is a super-2 number, since 2×110211200021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110211199975 and 110211200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211200027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44666 + ... + 471611.

It is an arithmetic number, because the mean of its divisors is an integer number (14837055303).

Almost surely, 2^110211200021 is an apocalyptic number.

It is an amenable number.

110211200021 is a deficient number, since it is larger than the sum of its proper divisors (8485242403).

110211200021 is a wasteful number, since it uses less digits than its factorization.

110211200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532711.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110211200021 its reverse (120002112011), we get a palindrome (230213312032).

The spelling of 110211200021 in words is "one hundred ten billion, two hundred eleven million, two hundred thousand, twenty-one".