122221121120 has 48 divisors (see below), whose sum is σ = 329997030048. Its totient is φ = 41904384000.

The previous prime is 122221121083. The next prime is 122221121131. The reversal of 122221121120 is 21121122221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54561881 + ... + 54564120.

It is an arithmetic number, because the mean of its divisors is an integer number (6874938126).

Almost surely, 2^122221121120 is an apocalyptic number.

122221121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221121120 is an abundant number, since it is smaller than the sum of its proper divisors (207775908928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122221121120 is a wasteful number, since it uses less digits than its factorization.

122221121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109126023 (or 109126015 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122221121120 its reverse (21121122221), we get a palindrome (143342243341).

The spelling of 122221121120 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty".