11022001100021 has 16 divisors (see below), whose sum is σ = 11530542812400. Its totient is φ = 10522031697408.

The previous prime is 11022001099981. The next prime is 11022001100129. The reversal of 11022001100021 is 12000110022011.

It can be written as a sum of positive squares in 8 ways, for example, as 146087541796 + 10875913558225 = 382214^2 + 3297865^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022001100021 - 2²⁶ = 11021933991157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022001099975 and 11022001100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022001100221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138851675 + ... + 138931031.

It is an arithmetic number, because the mean of its divisors is an integer number (720658925775).

Almost surely, 2^{11022001100021} is an apocalyptic number.

It is an amenable number.

11022001100021 is a deficient number, since it is larger than the sum of its proper divisors (508541712379).

11022001100021 is an equidigital number, since it uses as much as digits as its factorization.

11022001100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133288.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11022001100021 its reverse (12000110022011), we get a palindrome (23022111122032).

The spelling of 11022001100021 in words is "eleven trillion, twenty-two billion, one million, one hundred thousand, twenty-one".