122221120118 has 32 divisors (see below), whose sum is σ = 200470007808. Its totient is φ = 55634832000.

The previous prime is 122221120111. The next prime is 122221120121. The reversal of 122221120118 is 811021122221.

It is a junction number, because it is equal to n+sod(n) for n = 122221120093 and 122221120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221120111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2363843 + ... + 2414993.

It is an arithmetic number, because the mean of its divisors is an integer number (6264687744).

Almost surely, 2^122221120118 is an apocalyptic number.

122221120118 is a deficient number, since it is larger than the sum of its proper divisors (78248887690).

122221120118 is a wasteful number, since it uses less digits than its factorization.

122221120118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53468.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 122221120118 its reverse (811021122221), we get a palindrome (933242242339).

The spelling of 122221120118 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred eighteen".