221300300747 has 2 divisors, whose sum is σ = 221300300748. Its totient is φ = 221300300746.

The previous prime is 221300300723. The next prime is 221300300779. The reversal of 221300300747 is 747003003122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221300300747 - 2⁸ = 221300300491 is a prime.

It is a super-2 number, since 2×221300300747² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221300500747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110650150373 + 110650150374.

It is an arithmetic number, because the mean of its divisors is an integer number (110650150374).

Almost surely, 2^221300300747 is an apocalyptic number.

221300300747 is a deficient number, since it is larger than the sum of its proper divisors (1).

221300300747 is an equidigital number, since it uses as much as digits as its factorization.

221300300747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

Adding to 221300300747 its reverse (747003003122), we get a palindrome (968303303869).

The spelling of 221300300747 in words is "two hundred twenty-one billion, three hundred million, three hundred thousand, seven hundred forty-seven".