1110441220121 has 2 divisors, whose sum is σ = 1110441220122. Its totient is φ = 1110441220120.

The previous prime is 1110441220087. The next prime is 1110441220171. The reversal of 1110441220121 is 1210221440111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792119580121 + 318321640000 = 890011^2 + 564200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110441220121 - 2¹⁴ = 1110441203737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110441220093 and 1110441220102.

It is not a weakly prime, because it can be changed into another prime (1110441220171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555220610060 + 555220610061.

It is an arithmetic number, because the mean of its divisors is an integer number (555220610061).

Almost surely, 2^{1110441220121} is an apocalyptic number.

It is an amenable number.

1110441220121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110441220121 is an equidigital number, since it uses as much as digits as its factorization.

1110441220121 is an evil number, because the sum of its binary digits is even.

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

Adding to 1110441220121 its reverse (1210221440111), we get a palindrome (2320662660232).

The spelling of 1110441220121 in words is "one trillion, one hundred ten billion, four hundred forty-one million, two hundred twenty thousand, one hundred twenty-one".