11200020022221 has 16 divisors (see below), whose sum is σ = 14943433087104. Its totient is φ = 7461643944384.

The previous prime is 11200020022201. The next prime is 11200020022237. The reversal of 11200020022221 is 12222002000211.

It is not a de Polignac number, because 11200020022221 - 2¹⁷ = 11200019891149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11200020022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200020022201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130641256 + ... + 130726958.

It is an arithmetic number, because the mean of its divisors is an integer number (933964567944).

Almost surely, 2^{11200020022221} is an apocalyptic number.

It is an amenable number.

11200020022221 is a deficient number, since it is larger than the sum of its proper divisors (3743413064883).

11200020022221 is a wasteful number, since it uses less digits than its factorization.

11200020022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114580.

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

Adding to 11200020022221 its reverse (12222002000211), we get a palindrome (23422022022432).

The spelling of 11200020022221 in words is "eleven trillion, two hundred billion, twenty million, twenty-two thousand, two hundred twenty-one".