103333001221 has 4 divisors (see below), whose sum is σ = 103397065452. Its totient is φ = 103268936992.

The previous prime is 103333001203. The next prime is 103333001227. The reversal of 103333001221 is 122100333301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59848240321 + 43484760900 = 244639^2 + 208530^2 .

It is a cyclic number.

It is not a de Polignac number, because 103333001221 - 2¹⁷ = 103332870149 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 (103333001227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32029696 + ... + 32032921.

It is an arithmetic number, because the mean of its divisors is an integer number (25849266363).

Almost surely, 2^103333001221 is an apocalyptic number.

It is an amenable number.

103333001221 is a deficient number, since it is larger than the sum of its proper divisors (64064231).

103333001221 is an equidigital number, since it uses as much as digits as its factorization.

103333001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64064230.

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

Adding to 103333001221 its reverse (122100333301), we get a palindrome (225433334522).

The spelling of 103333001221 in words is "one hundred three billion, three hundred thirty-three million, one thousand, two hundred twenty-one".