110221020011021 has 8 divisors (see below), whose sum is σ = 116706731968440. Its totient is φ = 103735543891968.

The previous prime is 110221020010993. The next prime is 110221020011029. The reversal of 110221020011021 is 120110020122011.

It can be written as a sum of positive squares in 4 ways, for example, as 80489355355396 + 29731664655625 = 8971586^2 + 5452675^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110221020011021 is a prime.

It is a super-2 number, since 2×110221020011021² (a number of 29 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 = 110221020010987 and 110221020011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221020011029) 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, 57996926 + ... + 59867231.

It is an arithmetic number, because the mean of its divisors is an integer number (14588341496055).

Almost surely, 2^{110221020011021} is an apocalyptic number.

It is an amenable number.

110221020011021 is a deficient number, since it is larger than the sum of its proper divisors (6485711957419).

110221020011021 is a wasteful number, since it uses less digits than its factorization.

110221020011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117919183.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110221020011021 its reverse (120110020122011), we get a palindrome (230331040133032).

The spelling of 110221020011021 in words is "one hundred ten trillion, two hundred twenty-one billion, twenty million, eleven thousand, twenty-one".