11022200021 has 8 divisors (see below), whose sum is σ = 12611170560. Its totient is φ = 9436822128.

The previous prime is 11022200003. The next prime is 11022200023. The reversal of 11022200021 is 12000222011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11022200021 - 2¹⁰ = 11022198997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022199975 and 11022200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891581 + ... + 903858.

It is an arithmetic number, because the mean of its divisors is an integer number (1576396320).

Almost surely, 2^11022200021 is an apocalyptic number.

It is an amenable number.

11022200021 is a deficient number, since it is larger than the sum of its proper divisors (1588970539).

11022200021 is an equidigital number, since it uses as much as digits as its factorization.

11022200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796323.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11022200021 its reverse (12000222011), we get a palindrome (23022422032).

The spelling of 11022200021 in words is "eleven billion, twenty-two million, two hundred thousand, twenty-one".