110020021201221 has 32 divisors (see below), whose sum is σ = 157863308279040. Its totient is φ = 67911393017856.

The previous prime is 110020021201219. The next prime is 110020021201261. The reversal of 110020021201221 is 122102120020011.

It is not a de Polignac number, because 110020021201221 - 2¹ = 110020021201219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110020021201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110020021201201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65759916 + ... + 67412213.

It is an arithmetic number, because the mean of its divisors is an integer number (4933228383720).

Almost surely, 2^{110020021201221} is an apocalyptic number.

It is an amenable number.

110020021201221 is a deficient number, since it is larger than the sum of its proper divisors (47843287077819).

110020021201221 is a wasteful number, since it uses less digits than its factorization.

110020021201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133172413.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110020021201221 its reverse (122102120020011), we get a palindrome (232122141221232).

The spelling of 110020021201221 in words is "one hundred ten trillion, twenty billion, twenty-one million, two hundred one thousand, two hundred twenty-one".