1122121120229 has 2 divisors, whose sum is σ = 1122121120230. Its totient is φ = 1122121120228.

The previous prime is 1122121120157. The next prime is 1122121120319. The reversal of 1122121120229 is 9220211212211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 821745876004 + 300375244225 = 906502^2 + 548065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122121120229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1122121120198 and 1122121120207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122121120429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561060560114 + 561060560115.

It is an arithmetic number, because the mean of its divisors is an integer number (561060560115).

Almost surely, 2^{1122121120229} is an apocalyptic number.

It is an amenable number.

1122121120229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122121120229 is an equidigital number, since it uses as much as digits as its factorization.

1122121120229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 1122121120229 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twenty-nine".