103221042105121 has 8 divisors (see below), whose sum is σ = 106033861040360. Its totient is φ = 100409436908928.

The previous prime is 103221042105101. The next prime is 103221042105127. The reversal of 103221042105121 is 121501240122301.

It can be written as a sum of positive squares in 4 ways, for example, as 31310302904721 + 71910739200400 = 5595561^2 + 8480020^2 .

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 103221042105121 - 2³⁵ = 103186682366753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103221042105127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303262356 + ... + 303602533.

It is an arithmetic number, because the mean of its divisors is an integer number (13254232630045).

Almost surely, 2^{103221042105121} is an apocalyptic number.

It is an amenable number.

103221042105121 is a deficient number, since it is larger than the sum of its proper divisors (2812818935239).

103221042105121 is an equidigital number, since it uses as much as digits as its factorization.

103221042105121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606869523.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 103221042105121 its reverse (121501240122301), we get a palindrome (224722282227422).

The spelling of 103221042105121 in words is "one hundred three trillion, two hundred twenty-one billion, forty-two million, one hundred five thousand, one hundred twenty-one".