11220021000016 has 20 divisors (see below), whose sum is σ = 21741452724832. Its totient is φ = 5609323522656.

The previous prime is 11220021000011. The next prime is 11220021000017. The reversal of 11220021000016 is 61000012002211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220021000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42801330 + ... + 43062673.

Almost surely, 2^{11220021000016} is an apocalyptic number.

11220021000016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11220021000016 is a deficient number, since it is larger than the sum of its proper divisors (10521431724816).

11220021000016 is an equidigital number, since it uses as much as digits as its factorization.

11220021000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85872178 (or 85872172 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11220021000016 its reverse (61000012002211), we get a palindrome (72220033002227).

The spelling of 11220021000016 in words is "eleven trillion, two hundred twenty billion, twenty-one million, sixteen", and thus it is an aban number.