221303201233001 has 2 divisors, whose sum is σ = 221303201233002. Its totient is φ = 221303201233000.

The previous prime is 221303201232989. The next prime is 221303201233069. The reversal of 221303201233001 is 100332102303122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201767252070400 + 19535949162601 = 14204480^2 + 4419949^2 .

It is a cyclic number.

It is not a de Polignac number, because 221303201233001 - 2⁴² = 216905154721897 is a prime.

It is not a weakly prime, because it can be changed into another prime (221303201233091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110651600616500 + 110651600616501.

It is an arithmetic number, because the mean of its divisors is an integer number (110651600616501).

Almost surely, 2^{221303201233001} is an apocalyptic number.

It is an amenable number.

221303201233001 is a deficient number, since it is larger than the sum of its proper divisors (1).

221303201233001 is an equidigital number, since it uses as much as digits as its factorization.

221303201233001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221303201233001 its reverse (100332102303122), we get a palindrome (321635303536123).

The spelling of 221303201233001 in words is "two hundred twenty-one trillion, three hundred three billion, two hundred one million, two hundred thirty-three thousand, one".