11000020001111 has 2 divisors, whose sum is σ = 11000020001112. Its totient is φ = 11000020001110.

The previous prime is 11000020001057. The next prime is 11000020001161. The reversal of 11000020001111 is 11110002000011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000020001111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000020001161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500010000555 + 5500010000556.

It is an arithmetic number, because the mean of its divisors is an integer number (5500010000556).

Almost surely, 2^{11000020001111} is an apocalyptic number.

11000020001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000020001111 is an equidigital number, since it uses as much as digits as its factorization.

11000020001111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11000020001111 its reverse (11110002000011), we get a palindrome (22110022001122).

The spelling of 11000020001111 in words is "eleven trillion, twenty million, one thousand, one hundred eleven".