122621371121 has 8 divisors (see below), whose sum is σ = 125235932544. Its totient is φ = 120007042960.

The previous prime is 122621371091. The next prime is 122621371133. The reversal of 122621371121 is 121173126221.

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 122621371121 - 2¹⁰ = 122621370097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122621371721) 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, 1376351 + ... + 1462731.

It is an arithmetic number, because the mean of its divisors is an integer number (15654491568).

Almost surely, 2^122621371121 is an apocalyptic number.

It is an amenable number.

122621371121 is a deficient number, since it is larger than the sum of its proper divisors (2614561423).

122621371121 is an equidigital number, since it uses as much as digits as its factorization.

122621371121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116631.

The product of its digits is 2016, while the sum is 29.

Adding to 122621371121 its reverse (121173126221), we get a palindrome (243794497342).

The spelling of 122621371121 in words is "one hundred twenty-two billion, six hundred twenty-one million, three hundred seventy-one thousand, one hundred twenty-one".