3220123110121 has 4 divisors (see below), whose sum is σ = 3233484617044. Its totient is φ = 3206761603200.

The previous prime is 3220123110107. The next prime is 3220123110157. The reversal of 3220123110121 is 1210113210223.

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 2594741072400 + 625382037721 = 1610820^2 + 790811^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220123110121 - 2¹¹ = 3220123108073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220123116121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6680753100 + ... + 6680753581.

It is an arithmetic number, because the mean of its divisors is an integer number (808371154261).

Almost surely, 2^{3220123110121} is an apocalyptic number.

It is an amenable number.

3220123110121 is a deficient number, since it is larger than the sum of its proper divisors (13361506923).

3220123110121 is a wasteful number, since it uses less digits than its factorization.

3220123110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13361506922.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3220123110121 its reverse (1210113210223), we get a palindrome (4430236320344).

The spelling of 3220123110121 in words is "three trillion, two hundred twenty billion, one hundred twenty-three million, one hundred ten thousand, one hundred twenty-one".