1100120222129 has 2 divisors, whose sum is σ = 1100120222130. Its totient is φ = 1100120222128.

The previous prime is 1100120222111. The next prime is 1100120222167. The reversal of 1100120222129 is 9212220210011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695022342400 + 405097879729 = 833680^2 + 636473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100120222129 - 2⁸ = 1100120221873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100120224129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550060111064 + 550060111065.

It is an arithmetic number, because the mean of its divisors is an integer number (550060111065).

Almost surely, 2^{1100120222129} is an apocalyptic number.

It is an amenable number.

1100120222129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100120222129 is an equidigital number, since it uses as much as digits as its factorization.

1100120222129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 1100120222129 in words is "one trillion, one hundred billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twenty-nine".