121422013121 has 8 divisors (see below), whose sum is σ = 124250485920. Its totient is φ = 118593754272.

The previous prime is 121422013117. The next prime is 121422013127. The reversal of 121422013121 is 121310224121.

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 121422013121 - 2² = 121422013117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121422013093 and 121422013102.

It is not an unprimeable number, because it can be changed into a prime (121422013127) 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, 2015525 + ... + 2074893.

It is an arithmetic number, because the mean of its divisors is an integer number (15531310740).

Almost surely, 2^121422013121 is an apocalyptic number.

It is an amenable number.

121422013121 is a deficient number, since it is larger than the sum of its proper divisors (2828472799).

121422013121 is an equidigital number, since it uses as much as digits as its factorization.

121422013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106975.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121422013121 its reverse (121310224121), we get a palindrome (242732237242).

The spelling of 121422013121 in words is "one hundred twenty-one billion, four hundred twenty-two million, thirteen thousand, one hundred twenty-one".