123222221320121 has 8 divisors (see below), whose sum is σ = 153627704503104. Its totient is φ = 96017315314320.

The previous prime is 123222221320087. The next prime is 123222221320129. The reversal of 123222221320121 is 121023122222321.

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 123222221320121 - 2⁶ = 123222221320057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123222221320129) 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, 800144294210 + ... + 800144294363.

It is an arithmetic number, because the mean of its divisors is an integer number (19203463062888).

Almost surely, 2^{123222221320121} is an apocalyptic number.

123222221320121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123222221320121 is a deficient number, since it is larger than the sum of its proper divisors (30405483182983).

123222221320121 is a wasteful number, since it uses less digits than its factorization.

123222221320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600288588591.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 123222221320121 its reverse (121023122222321), we get a palindrome (244245343542442).

The spelling of 123222221320121 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, two hundred twenty-one million, three hundred twenty thousand, one hundred twenty-one".