1011111120133 has 2 divisors, whose sum is σ = 1011111120134. Its totient is φ = 1011111120132.

The previous prime is 1011111120109. The next prime is 1011111120161. The reversal of 1011111120133 is 3310211111101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011104658369 + 6461764 = 1005537^2 + 2542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011111120133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011111120433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555560066 + 505555560067.

It is an arithmetic number, because the mean of its divisors is an integer number (505555560067).

Almost surely, 2^{1011111120133} is an apocalyptic number.

It is an amenable number.

1011111120133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011111120133 is an equidigital number, since it uses as much as digits as its factorization.

1011111120133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1011111120133 its reverse (3310211111101), we get a palindrome (4321322231234).

The spelling of 1011111120133 in words is "one trillion, eleven billion, one hundred eleven million, one hundred twenty thousand, one hundred thirty-three".