11221021201011 has 16 divisors (see below), whose sum is σ = 15129659486880. Its totient is φ = 7396533999360.

The previous prime is 11221021200967. The next prime is 11221021201043. The reversal of 11221021201011 is 11010212012211.

It is a happy number.

It is not a de Polignac number, because 11221021201011 - 2¹⁸ = 11221020938867 is a prime.

It is a super-2 number, since 2×11221021201011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221021201081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25300281 + ... + 25739973.

It is an arithmetic number, because the mean of its divisors is an integer number (945603717930).

Almost surely, 2^{11221021201011} is an apocalyptic number.

11221021201011 is a deficient number, since it is larger than the sum of its proper divisors (3908638285869).

11221021201011 is an equidigital number, since it uses as much as digits as its factorization.

11221021201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535366.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11221021201011 its reverse (11010212012211), we get a palindrome (22231233213222).

The spelling of 11221021201011 in words is "eleven trillion, two hundred twenty-one billion, twenty-one million, two hundred one thousand, eleven".