11203222021 has 8 divisors (see below), whose sum is σ = 11658065760. Its totient is φ = 10757210352.

The previous prime is 11203221983. The next prime is 11203222033. The reversal of 11203222021 is 12022230211.

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 11203222021 - 2⁷ = 11203221893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11203221986 and 11203222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203229021) 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, 2205430 + ... + 2210503.

It is an arithmetic number, because the mean of its divisors is an integer number (1457258220).

Almost surely, 2^11203222021 is an apocalyptic number.

It is an amenable number.

11203222021 is a deficient number, since it is larger than the sum of its proper divisors (454843739).

11203222021 is an equidigital number, since it uses as much as digits as its factorization.

11203222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416035.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11203222021 its reverse (12022230211), we get a palindrome (23225452232).

The spelling of 11203222021 in words is "eleven billion, two hundred three million, two hundred twenty-two thousand, twenty-one".