20122230131121 has 4 divisors (see below), whose sum is σ = 26829640174832. Its totient is φ = 13414820087412.

The previous prime is 20122230131083. The next prime is 20122230131131. The reversal of 20122230131121 is 12113103222102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20122230131121 - 2¹⁰ = 20122230130097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122230131131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353705021851 + ... + 3353705021856.

It is an arithmetic number, because the mean of its divisors is an integer number (6707410043708).

Almost surely, 2^{20122230131121} is an apocalyptic number.

It is an amenable number.

20122230131121 is a deficient number, since it is larger than the sum of its proper divisors (6707410043711).

20122230131121 is an equidigital number, since it uses as much as digits as its factorization.

20122230131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707410043710.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20122230131121 its reverse (12113103222102), we get a palindrome (32235333353223).

The spelling of 20122230131121 in words is "twenty trillion, one hundred twenty-two billion, two hundred thirty million, one hundred thirty-one thousand, one hundred twenty-one".