1110302112121 has 2 divisors, whose sum is σ = 1110302112122. Its totient is φ = 1110302112120.

The previous prime is 1110302112113. The next prime is 1110302112151. The reversal of 1110302112121 is 1212112030111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675994751721 + 434307360400 = 822189^2 + 659020^2 .

It is an emirp because it is prime and its reverse (1212112030111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110302112121 - 2³ = 1110302112113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110302112095 and 1110302112104.

It is not a weakly prime, because it can be changed into another prime (1110302112151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555151056060 + 555151056061.

It is an arithmetic number, because the mean of its divisors is an integer number (555151056061).

Almost surely, 2^{1110302112121} is an apocalyptic number.

It is an amenable number.

1110302112121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110302112121 is an equidigital number, since it uses as much as digits as its factorization.

1110302112121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1110302112121 its reverse (1212112030111), we get a palindrome (2322414142232).

The spelling of 1110302112121 in words is "one trillion, one hundred ten billion, three hundred two million, one hundred twelve thousand, one hundred twenty-one".