1121110120121 has 2 divisors, whose sum is σ = 1121110120122. Its totient is φ = 1121110120120.

The previous prime is 1121110120103. The next prime is 1121110120139. The reversal of 1121110120121 is 1210210111211.

It is a balanced prime because it is at equal distance from previous prime (1121110120103) and next prime (1121110120139).

It can be written as a sum of positive squares in only one way, i.e., 711720013225 + 409390106896 = 843635^2 + 639836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121110120121 - 2¹⁰ = 1121110119097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121110120096 and 1121110120105.

It is not a weakly prime, because it can be changed into another prime (1121116120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560555060060 + 560555060061.

It is an arithmetic number, because the mean of its divisors is an integer number (560555060061).

Almost surely, 2^{1121110120121} is an apocalyptic number.

It is an amenable number.

1121110120121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121110120121 is an equidigital number, since it uses as much as digits as its factorization.

1121110120121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1121110120121 its reverse (1210210111211), we get a palindrome (2331320231332).

The spelling of 1121110120121 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, one hundred twenty-one".