11010221111287 has 2 divisors, whose sum is σ = 11010221111288. Its totient is φ = 11010221111286.

The previous prime is 11010221111101. The next prime is 11010221111321. The reversal of 11010221111287 is 78211112201011.

11010221111287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11010221111287 - 2³⁵ = 10975861372919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010221115287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505110555643 + 5505110555644.

It is an arithmetic number, because the mean of its divisors is an integer number (5505110555644).

Almost surely, 2^{11010221111287} is an apocalyptic number.

11010221111287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010221111287 is an equidigital number, since it uses as much as digits as its factorization.

11010221111287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 28.

Adding to 11010221111287 its reverse (78211112201011), we get a palindrome (89221333312298).

The spelling of 11010221111287 in words is "eleven trillion, ten billion, two hundred twenty-one million, one hundred eleven thousand, two hundred eighty-seven".