11220202000221 has 32 divisors (see below), whose sum is σ = 15601103280000. Its totient is φ = 7164014393088.

The previous prime is 11220202000121. The next prime is 11220202000321. The reversal of 11220202000221 is 12200020202211.

11220202000221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11220202000121) and next prime (11220202000321).

It is not a de Polignac number, because 11220202000221 - 2²⁵ = 11220168445789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11220202000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220202000121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8994031 + ... + 10165283.

It is an arithmetic number, because the mean of its divisors is an integer number (487534477500).

Almost surely, 2^{11220202000221} is an apocalyptic number.

It is an amenable number.

11220202000221 is a deficient number, since it is larger than the sum of its proper divisors (4380901279779).

11220202000221 is a wasteful number, since it uses less digits than its factorization.

11220202000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172173.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11220202000221 its reverse (12200020202211), we get a palindrome (23420222202432).

The spelling of 11220202000221 in words is "eleven trillion, two hundred twenty billion, two hundred two million, two hundred twenty-one", and thus it is an aban number.