1001220103333 has 2 divisors, whose sum is σ = 1001220103334. Its totient is φ = 1001220103332.

The previous prime is 1001220103249. The next prime is 1001220103357. The reversal of 1001220103333 is 3333010221001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544949574849 + 456270528484 = 738207^2 + 675478^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001220103333 - 2³³ = 992630168741 is a prime.

It is a super-3 number, since 3×1001220103333³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001220103333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001220104333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500610051666 + 500610051667.

It is an arithmetic number, because the mean of its divisors is an integer number (500610051667).

Almost surely, 2^{1001220103333} is an apocalyptic number.

It is an amenable number.

1001220103333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001220103333 is an equidigital number, since it uses as much as digits as its factorization.

1001220103333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1001220103333 its reverse (3333010221001), we get a palindrome (4334230324334).

The spelling of 1001220103333 in words is "one trillion, one billion, two hundred twenty million, one hundred three thousand, three hundred thirty-three".