11200221232021 has 2 divisors, whose sum is σ = 11200221232022. Its totient is φ = 11200221232020.

The previous prime is 11200221232001. The next prime is 11200221232063. The reversal of 11200221232021 is 12023212200211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10427984519121 + 772236712900 = 3229239^2 + 878770^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200221232021 - 2³¹ = 11198073748373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11200221232021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11200221232001) 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 as a sum of consecutive naturals, namely, 5600110616010 + 5600110616011.

It is an arithmetic number, because the mean of its divisors is an integer number (5600110616011).

Almost surely, 2^{11200221232021} is an apocalyptic number.

It is an amenable number.

11200221232021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200221232021 is an equidigital number, since it uses as much as digits as its factorization.

11200221232021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11200221232021 its reverse (12023212200211), we get a palindrome (23223433432232).

The spelling of 11200221232021 in words is "eleven trillion, two hundred billion, two hundred twenty-one million, two hundred thirty-two thousand, twenty-one".