103312212120221 has 8 divisors (see below), whose sum is σ = 111259706490240. Its totient is φ = 95364775054512.

The previous prime is 103312212120181. The next prime is 103312212120241. The reversal of 103312212120221 is 122021212213301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103312212120221 - 2¹⁰ = 103312212119197 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 (103312212120241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10544681 + ... + 17827358.

It is an arithmetic number, because the mean of its divisors is an integer number (13907463311280).

Almost surely, 2^{103312212120221} is an apocalyptic number.

It is an amenable number.

103312212120221 is a deficient number, since it is larger than the sum of its proper divisors (7947494370019).

103312212120221 is a wasteful number, since it uses less digits than its factorization.

103312212120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28652155.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 103312212120221 its reverse (122021212213301), we get a palindrome (225333424333522).

The spelling of 103312212120221 in words is "one hundred three trillion, three hundred twelve billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty-one".