20120222110121 has 8 divisors (see below), whose sum is σ = 22995173425344. Its totient is φ = 17245429262640.

The previous prime is 20120222110099. The next prime is 20120222110133. The reversal of 20120222110121 is 12101122202102.

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 20120222110121 - 2³⁸ = 19845344203177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20120222110121.

It is not an unprimeable number, because it can be changed into a prime (20120222118121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39344735 + ... + 39852836.

It is an arithmetic number, because the mean of its divisors is an integer number (2874396678168).

Almost surely, 2^{20120222110121} is an apocalyptic number.

It is an amenable number.

20120222110121 is a deficient number, since it is larger than the sum of its proper divisors (2874951315223).

20120222110121 is an equidigital number, since it uses as much as digits as its factorization.

20120222110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79233871.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20120222110121 its reverse (12101122202102), we get a palindrome (32221344312223).

The spelling of 20120222110121 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, one hundred ten thousand, one hundred twenty-one".