11010211222021 has 24 divisors (see below), whose sum is σ = 12677654908800. Its totient is φ = 9481671967680.

The previous prime is 11010211222013. The next prime is 11010211222117. The reversal of 11010211222021 is 12022211201011.

It is not a de Polignac number, because 11010211222021 - 2³ = 11010211222013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11010211221986 and 11010211222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010211222121) 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 23 ways as a sum of consecutive naturals, for example, 49164420 + ... + 49387858.

It is an arithmetic number, because the mean of its divisors is an integer number (528235621200).

Almost surely, 2^{11010211222021} is an apocalyptic number.

11010211222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11010211222021 is a deficient number, since it is larger than the sum of its proper divisors (1667443686779).

11010211222021 is a wasteful number, since it uses less digits than its factorization.

11010211222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235897 (or 235878 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11010211222021 its reverse (12022211201011), we get a palindrome (23032422423032).

The spelling of 11010211222021 in words is "eleven trillion, ten billion, two hundred eleven million, two hundred twenty-two thousand, twenty-one".