122123321221 has 8 divisors (see below), whose sum is σ = 133240205088. Its totient is φ = 111008898000.

The previous prime is 122123321207. The next prime is 122123321269.

122123321221 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122123321221 - 2²⁵ = 122089766789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122123321192 and 122123321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122123301221) 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, 510610 + ... + 710611.

It is an arithmetic number, because the mean of its divisors is an integer number (16655025636).

Almost surely, 2^122123321221 is an apocalyptic number.

122123321221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122123321221 is a deficient number, since it is larger than the sum of its proper divisors (11116883867).

122123321221 is a wasteful number, since it uses less digits than its factorization.

122123321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230323.

The product of its digits is 576, while the sum is 22.

It can be divided in two parts, 122123 and 321221, that added together give a palindrome (443344).

The spelling of 122123321221 in words is "one hundred twenty-two billion, one hundred twenty-three million, three hundred twenty-one thousand, two hundred twenty-one".