223032101022221 has 2 divisors, whose sum is σ = 223032101022222. Its totient is φ = 223032101022220.

The previous prime is 223032101022209. The next prime is 223032101022277. The reversal of 223032101022221 is 122220101230322.

It is a happy number.

223032101022221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222058099804996 + 974001217225 = 14901614^2 + 986915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223032101022221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223032101025221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111516050511110 + 111516050511111.

It is an arithmetic number, because the mean of its divisors is an integer number (111516050511111).

Almost surely, 2^{223032101022221} is an apocalyptic number.

It is an amenable number.

223032101022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

223032101022221 is an equidigital number, since it uses as much as digits as its factorization.

223032101022221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 223032101022221 its reverse (122220101230322), we get a palindrome (345252202252543).

The spelling of 223032101022221 in words is "two hundred twenty-three trillion, thirty-two billion, one hundred one million, twenty-two thousand, two hundred twenty-one".