11032220021 has 8 divisors (see below), whose sum is σ = 11625628800. Its totient is φ = 10440087840.

The previous prime is 11032220011. The next prime is 11032220041. The reversal of 11032220021 is 12002223011.

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 a de Polignac number, because none of the positive numbers 2^k-11032220021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11032219978 and 11032220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032220011) 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, 301376 + ... + 335993.

It is an arithmetic number, because the mean of its divisors is an integer number (1453203600).

Almost surely, 2^11032220021 is an apocalyptic number.

It is an amenable number.

11032220021 is a deficient number, since it is larger than the sum of its proper divisors (593408779).

11032220021 is an equidigital number, since it uses as much as digits as its factorization.

11032220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638299.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11032220021 its reverse (12002223011), we get a palindrome (23034443032).

The spelling of 11032220021 in words is "eleven billion, thirty-two million, two hundred twenty thousand, twenty-one".