1101120112129 has 2 divisors, whose sum is σ = 1101120112130. Its totient is φ = 1101120112128.

The previous prime is 1101120112121. The next prime is 1101120112133. The reversal of 1101120112129 is 9212110211011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 601586384400 + 499533727729 = 775620^2 + 706777^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101120112129 - 2³ = 1101120112121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101120112121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550560056064 + 550560056065.

It is an arithmetic number, because the mean of its divisors is an integer number (550560056065).

Almost surely, 2^{1101120112129} is an apocalyptic number.

It is an amenable number.

1101120112129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101120112129 is an equidigital number, since it uses as much as digits as its factorization.

1101120112129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 1101120112129 in words is "one trillion, one hundred one billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty-nine".