110222120221121 has 4 divisors (see below), whose sum is σ = 110224454444244. Its totient is φ = 110219785998000.

The previous prime is 110222120221049. The next prime is 110222120221177. The reversal of 110222120221121 is 121122021222011.

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 56321722848400 + 53900397372721 = 7504780^2 + 7341689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110222120221121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110222120221093 and 110222120221102.

It is not an unprimeable number, because it can be changed into a prime (110222120221621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167040730 + ... + 1167135171.

It is an arithmetic number, because the mean of its divisors is an integer number (27556113611061).

Almost surely, 2^{110222120221121} is an apocalyptic number.

It is an amenable number.

110222120221121 is a deficient number, since it is larger than the sum of its proper divisors (2334223123).

110222120221121 is an equidigital number, since it uses as much as digits as its factorization.

110222120221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334223122.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 110222120221121 its reverse (121122021222011), we get a palindrome (231344141443132).

The spelling of 110222120221121 in words is "one hundred ten trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twenty-one".