1421321300033 has 2 divisors, whose sum is σ = 1421321300034. Its totient is φ = 1421321300032.

The previous prime is 1421321300023. The next prime is 1421321300053. The reversal of 1421321300033 is 3300031231241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 923630557249 + 497690742784 = 961057^2 + 705472^2 .

It is an emirp because it is prime and its reverse (3300031231241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1421321300033 - 2⁶ = 1421321299969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421321299981 and 1421321300008.

It is not a weakly prime, because it can be changed into another prime (1421321300023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710660650016 + 710660650017.

It is an arithmetic number, because the mean of its divisors is an integer number (710660650017).

Almost surely, 2^{1421321300033} is an apocalyptic number.

It is an amenable number.

1421321300033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421321300033 is an equidigital number, since it uses as much as digits as its factorization.

1421321300033 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 1421321300033 its reverse (3300031231241), we get a palindrome (4721352531274).

The spelling of 1421321300033 in words is "one trillion, four hundred twenty-one billion, three hundred twenty-one million, three hundred thousand, thirty-three".