110221220101 has 4 divisors (see below), whose sum is σ = 110678569804. Its totient is φ = 109763870400.

The previous prime is 110221220089. The next prime is 110221220113. The reversal of 110221220101 is 101022122011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101022122011 = 281 ⋅359509331.

It is an interprime number because it is at equal distance from previous prime (110221220089) and next prime (110221220113).

It can be written as a sum of positive squares in 2 ways, for example, as 44685732100 + 65535488001 = 211390^2 + 255999^2 .

It is a cyclic number.

It is not a de Polignac number, because 110221220101 - 2⁵ = 110221220069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221220191) 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 3 ways as a sum of consecutive naturals, for example, 228674490 + ... + 228674971.

It is an arithmetic number, because the mean of its divisors is an integer number (27669642451).

Almost surely, 2^110221220101 is an apocalyptic number.

It is an amenable number.

110221220101 is a deficient number, since it is larger than the sum of its proper divisors (457349703).

110221220101 is an equidigital number, since it uses as much as digits as its factorization.

110221220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457349702.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110221220101 its reverse (101022122011), we get a palindrome (211243342112).

It can be divided in two parts, 11022122010 and 1, that added together give a palindrome (11022122011).

The spelling of 110221220101 in words is "one hundred ten billion, two hundred twenty-one million, two hundred twenty thousand, one hundred one".