110020121221201 has 4 divisors (see below), whose sum is σ = 112703538812004. Its totient is φ = 107336703630400.

The previous prime is 110020121221189. The next prime is 110020121221247. The reversal of 110020121221201 is 102122121020011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34271645931601 + 75748475289600 = 5854199^2 + 8703360^2 .

It is a cyclic number.

It is not a de Polignac number, because 110020121221201 - 2¹¹ = 110020121219153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110020121281201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341708795340 + ... + 1341708795421.

It is an arithmetic number, because the mean of its divisors is an integer number (28175884703001).

Almost surely, 2^{110020121221201} is an apocalyptic number.

It is an amenable number.

110020121221201 is a deficient number, since it is larger than the sum of its proper divisors (2683417590803).

110020121221201 is an equidigital number, since it uses as much as digits as its factorization.

110020121221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683417590802.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110020121221201 its reverse (102122121020011), we get a palindrome (212142242241212).

The spelling of 110020121221201 in words is "one hundred ten trillion, twenty billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred one".