1223300221001 has 2 divisors, whose sum is σ = 1223300221002. Its totient is φ = 1223300221000.

The previous prime is 1223300220991. The next prime is 1223300221081. The reversal of 1223300221001 is 1001220033221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1035550464400 + 187749756601 = 1017620^2 + 433301^2 .

It is an emirp because it is prime and its reverse (1001220033221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223300221001 - 2¹⁸ = 1223299958857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223300221081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611650110500 + 611650110501.

It is an arithmetic number, because the mean of its divisors is an integer number (611650110501).

Almost surely, 2^{1223300221001} is an apocalyptic number.

It is an amenable number.

1223300221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223300221001 is an equidigital number, since it uses as much as digits as its factorization.

1223300221001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1223300221001 its reverse (1001220033221), we get a palindrome (2224520254222).

The spelling of 1223300221001 in words is "one trillion, two hundred twenty-three billion, three hundred million, two hundred twenty-one thousand, one".