1123332211129 has 2 divisors, whose sum is σ = 1123332211130. Its totient is φ = 1123332211128.

The previous prime is 1123332211097. The next prime is 1123332211159. The reversal of 1123332211129 is 9211122333211.

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., 1085820268729 + 37511942400 = 1042027^2 + 193680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123332211129 - 2⁵ = 1123332211097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123332211129.

It is not a weakly prime, because it can be changed into another prime (1123332211159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561666105564 + 561666105565.

It is an arithmetic number, because the mean of its divisors is an integer number (561666105565).

Almost surely, 2^{1123332211129} is an apocalyptic number.

It is an amenable number.

1123332211129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123332211129 is an equidigital number, since it uses as much as digits as its factorization.

1123332211129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The spelling of 1123332211129 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-two million, two hundred eleven thousand, one hundred twenty-nine".