1133123231101 has 2 divisors, whose sum is σ = 1133123231102. Its totient is φ = 1133123231100.

The previous prime is 1133123231063. The next prime is 1133123231113. The reversal of 1133123231101 is 1011323213311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1068947142201 + 64176088900 = 1033899^2 + 253330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133123231101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133123231161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566561615550 + 566561615551.

It is an arithmetic number, because the mean of its divisors is an integer number (566561615551).

Almost surely, 2^{1133123231101} is an apocalyptic number.

It is an amenable number.

1133123231101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133123231101 is an equidigital number, since it uses as much as digits as its factorization.

1133123231101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1133123231101 its reverse (1011323213311), we get a palindrome (2144446444412).

It can be divided in two parts, 1133123 and 231101, that added together give a square (1364224 = 1168²).

The spelling of 1133123231101 in words is "one trillion, one hundred thirty-three billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred one".