11021010211021 has 16 divisors (see below), whose sum is σ = 11350646138304. Its totient is φ = 10694931657984.

The previous prime is 11021010211007. The next prime is 11021010211031. The reversal of 11021010211021 is 12011201012011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11021010211021 - 2⁴¹ = 8821986955469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021010210992 and 11021010211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021010211031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2799861 + ... + 5466373.

It is an arithmetic number, because the mean of its divisors is an integer number (709415383644).

Almost surely, 2^{11021010211021} is an apocalyptic number.

It is an amenable number.

11021010211021 is a deficient number, since it is larger than the sum of its proper divisors (329635927283).

11021010211021 is a wasteful number, since it uses less digits than its factorization.

11021010211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667180.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11021010211021 its reverse (12011201012011), we get a palindrome (23032211223032).

The spelling of 11021010211021 in words is "eleven trillion, twenty-one billion, ten million, two hundred eleven thousand, twenty-one".