11103021021011 has 2 divisors, whose sum is σ = 11103021021012. Its totient is φ = 11103021021010.

The previous prime is 11103021020977. The next prime is 11103021021089. The reversal of 11103021021011 is 11012012030111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11103021021011 - 2³⁰ = 11101947279187 is a prime.

It is not a weakly prime, because it can be changed into another prime (11103021821011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551510510505 + 5551510510506.

It is an arithmetic number, because the mean of its divisors is an integer number (5551510510506).

Almost surely, 2^{11103021021011} is an apocalyptic number.

11103021021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103021021011 is an equidigital number, since it uses as much as digits as its factorization.

11103021021011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11103021021011 its reverse (11012012030111), we get a palindrome (22115033051122).

The spelling of 11103021021011 in words is "eleven trillion, one hundred three billion, twenty-one million, twenty-one thousand, eleven".