11200220222221 has 32 divisors (see below), whose sum is σ = 11738815748352. Its totient is φ = 10677137264640.

The previous prime is 11200220222183. The next prime is 11200220222251. The reversal of 11200220222221 is 12222202200211.

It is a cyclic number.

It is not a de Polignac number, because 11200220222221 - 2²¹ = 11200218125069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200220222251) 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, 907408576 + ... + 907420918.

It is an arithmetic number, because the mean of its divisors is an integer number (366837992136).

Almost surely, 2^{11200220222221} is an apocalyptic number.

It is an amenable number.

11200220222221 is a deficient number, since it is larger than the sum of its proper divisors (538595526131).

11200220222221 is a wasteful number, since it uses less digits than its factorization.

11200220222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15253.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11200220222221 its reverse (12222202200211), we get a palindrome (23422422422432).

The spelling of 11200220222221 in words is "eleven trillion, two hundred billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".