11002200220021 has 4 divisors (see below), whose sum is σ = 11099564823852. Its totient is φ = 10904835616192.

The previous prime is 11002200219979. The next prime is 11002200220057. The reversal of 11002200220021 is 12002200220011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1286604729796 + 9715595490225 = 1134286^2 + 3116985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11002200220021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002200219983 and 11002200220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002200224021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48682301746 + ... + 48682301971.

It is an arithmetic number, because the mean of its divisors is an integer number (2774891205963).

Almost surely, 2^{11002200220021} is an apocalyptic number.

It is an amenable number.

11002200220021 is a deficient number, since it is larger than the sum of its proper divisors (97364603831).

11002200220021 is an equidigital number, since it uses as much as digits as its factorization.

11002200220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97364603830.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11002200220021 its reverse (12002200220011), we get a palindrome (23004400440032).

The spelling of 11002200220021 in words is "eleven trillion, two billion, two hundred million, two hundred twenty thousand, twenty-one".