1120000122121 has 2 divisors, whose sum is σ = 1120000122122.
Its totient is φ = 1120000122120.
The previous prime is 1120000122089. The next prime is 1120000122173. The reversal of 1120000122121 is 1212210000211.
Adding to 1120000122121 its reverse (1212210000211), we get a palindrome (2332210122332).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1104624122121 + 15376000000 = 1051011^2 + 124000^2
It is a cyclic number.
It is not a de Polignac number, because 1120000122121 - 25 = 1120000122089 is a prime.
It is not a weakly prime, because it can be changed into another prime (1120000122821) 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 as a sum of consecutive naturals, namely, 560000061060 + 560000061061.
It is an arithmetic number, because the mean of its divisors is an integer number (560000061061).
Almost surely, 21120000122121 is an apocalyptic number.
It is an amenable number.
1120000122121 is a deficient number, since it is larger than the sum of its proper divisors (1).
1120000122121 is an equidigital number, since it uses as much as digits as its factorization.
1120000122121 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 13.
The spelling of 1120000122121 in words is "one trillion, one hundred twenty billion, one hundred twenty-two thousand, one hundred twenty-one".