1001220133333 has 16 divisors (see below), whose sum is σ = 1146936729600. Its totient is φ = 856175520816.

The previous prime is 1001220133219. The next prime is 1001220133339. The reversal of 1001220133333 is 3333310221001.

It is not a de Polignac number, because 1001220133333 - 2¹³ = 1001220125141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001220133339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19378068 + ... + 19429666.

It is an arithmetic number, because the mean of its divisors is an integer number (71683545600).

Almost surely, 2^{1001220133333} is an apocalyptic number.

It is an amenable number.

1001220133333 is a deficient number, since it is larger than the sum of its proper divisors (145716596267).

1001220133333 is an equidigital number, since it uses as much as digits as its factorization.

1001220133333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58056.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1001220133333 its reverse (3333310221001), we get a palindrome (4334530354334).

The spelling of 1001220133333 in words is "one trillion, one billion, two hundred twenty million, one hundred thirty-three thousand, three hundred thirty-three".