11001011102021 has 2 divisors, whose sum is σ = 11001011102022. Its totient is φ = 11001011102020.

The previous prime is 11001011101979. The next prime is 11001011102033. The reversal of 11001011102021 is 12020111010011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10918305969796 + 82705132225 = 3304286^2 + 287585^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001011102021 - 2²⁶ = 11000943993157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001011101993 and 11001011102011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001011102321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500505551010 + 5500505551011.

It is an arithmetic number, because the mean of its divisors is an integer number (5500505551011).

Almost surely, 2^{11001011102021} is an apocalyptic number.

It is an amenable number.

11001011102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001011102021 is an equidigital number, since it uses as much as digits as its factorization.

11001011102021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11001011102021 its reverse (12020111010011), we get a palindrome (23021122112032).

The spelling of 11001011102021 in words is "eleven trillion, one billion, eleven million, one hundred two thousand, twenty-one".