122012331121 has 4 divisors (see below), whose sum is σ = 122020812144. Its totient is φ = 122003850100.

The previous prime is 122012331113. The next prime is 122012331131. The reversal of 122012331121 is 121133210221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121133210221 = 29 ⋅4177007249.

It is a cyclic number.

It is not a de Polignac number, because 122012331121 - 2³ = 122012331113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122012331101) 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, 4218895 + ... + 4247716.

It is an arithmetic number, because the mean of its divisors is an integer number (30505203036).

Almost surely, 2^122012331121 is an apocalyptic number.

It is an amenable number.

122012331121 is a deficient number, since it is larger than the sum of its proper divisors (8481023).

122012331121 is an equidigital number, since it uses as much as digits as its factorization.

122012331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481022.

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

Adding to 122012331121 its reverse (121133210221), we get a palindrome (243145541342).

The spelling of 122012331121 in words is "one hundred twenty-two billion, twelve million, three hundred thirty-one thousand, one hundred twenty-one".