122212121122 has 64 divisors (see below), whose sum is σ = 232678656000. Its totient is φ = 46851448320.

The previous prime is 122212121099. The next prime is 122212121153. The reversal of 122212121122 is 221121212221.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 122212121122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1056879 + ... + 1166797.

It is an arithmetic number, because the mean of its divisors is an integer number (3635604000).

Almost surely, 2^122212121122 is an apocalyptic number.

122212121122 is a deficient number, since it is larger than the sum of its proper divisors (110466534878).

122212121122 is a wasteful number, since it uses less digits than its factorization.

122212121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110131.

The product of its digits is 128, while the sum is 19.

Adding to 122212121122 its reverse (221121212221), we get a palindrome (343333333343).

The spelling of 122212121122 in words is "one hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twenty-two".