223021400201 has 2 divisors, whose sum is σ = 223021400202. Its totient is φ = 223021400200.

The previous prime is 223021400197. The next prime is 223021400209. The reversal of 223021400201 is 102004120322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197003710201 + 26017690000 = 443851^2 + 161300^2 .

It is a cyclic number.

It is not a de Polignac number, because 223021400201 - 2² = 223021400197 is a prime.

It is a super-2 number, since 2×223021400201² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223021400201.

It is not a weakly prime, because it can be changed into another prime (223021400209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510700100 + 111510700101.

It is an arithmetic number, because the mean of its divisors is an integer number (111510700101).

Almost surely, 2^223021400201 is an apocalyptic number.

It is an amenable number.

223021400201 is a deficient number, since it is larger than the sum of its proper divisors (1).

223021400201 is an equidigital number, since it uses as much as digits as its factorization.

223021400201 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 17.

Adding to 223021400201 its reverse (102004120322), we get a palindrome (325025520523).

The spelling of 223021400201 in words is "two hundred twenty-three billion, twenty-one million, four hundred thousand, two hundred one".