1121001110129 has 2 divisors, whose sum is σ = 1121001110130. Its totient is φ = 1121001110128.

The previous prime is 1121001110111. The next prime is 1121001110153. The reversal of 1121001110129 is 9210111001211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958934479504 + 162066630625 = 979252^2 + 402575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121001110129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121001110129.

It is not a weakly prime, because it can be changed into another prime (1121001110029) 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, 560500555064 + 560500555065.

It is an arithmetic number, because the mean of its divisors is an integer number (560500555065).

Almost surely, 2^{1121001110129} is an apocalyptic number.

It is an amenable number.

1121001110129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121001110129 is an equidigital number, since it uses as much as digits as its factorization.

1121001110129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 1121001110129 in words is "one trillion, one hundred twenty-one billion, one million, one hundred ten thousand, one hundred twenty-nine".