1220203001033 has 2 divisors, whose sum is σ = 1220203001034. Its totient is φ = 1220203001032.

The previous prime is 1220203001027. The next prime is 1220203001041. The reversal of 1220203001033 is 3301003020221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1018985264704 + 201217736329 = 1009448^2 + 448573^2 .

It is an emirp because it is prime and its reverse (3301003020221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220203001033 - 2⁶ = 1220203000969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220203007033) 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, 610101500516 + 610101500517.

It is an arithmetic number, because the mean of its divisors is an integer number (610101500517).

Almost surely, 2^{1220203001033} is an apocalyptic number.

It is an amenable number.

1220203001033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220203001033 is an equidigital number, since it uses as much as digits as its factorization.

1220203001033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1220203001033 its reverse (3301003020221), we get a palindrome (4521206021254).

The spelling of 1220203001033 in words is "one trillion, two hundred twenty billion, two hundred three million, one thousand, thirty-three".