11101011111133 has 2 divisors, whose sum is σ = 11101011111134. Its totient is φ = 11101011111132.

The previous prime is 11101011111101. The next prime is 11101011111163. The reversal of 11101011111133 is 33111111010111.

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., 10551927147129 + 549083964004 = 3248373^2 + 741002^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101011111133 - 2⁵ = 11101011111101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101011111163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550505555566 + 5550505555567.

It is an arithmetic number, because the mean of its divisors is an integer number (5550505555567).

Almost surely, 2^{11101011111133} is an apocalyptic number.

It is an amenable number.

11101011111133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101011111133 is an equidigital number, since it uses as much as digits as its factorization.

11101011111133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 16.

Adding to 11101011111133 its reverse (33111111010111), we get a palindrome (44212122121244).

The spelling of 11101011111133 in words is "eleven trillion, one hundred one billion, eleven million, one hundred eleven thousand, one hundred thirty-three".