121022122222112 has 48 divisors (see below), whose sum is σ = 239786833628160. Its totient is φ = 60123901064448.

The previous prime is 121022122222097. The next prime is 121022122222117. The reversal of 121022122222112 is 211222221220121.

It is not an unprimeable number, because it can be changed into a prime (121022122222117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182940323 + ... + 183600669.

It is an arithmetic number, because the mean of its divisors is an integer number (4995559033920).

Almost surely, 2^{121022122222112} is an apocalyptic number.

It is an amenable number.

121022122222112 is a deficient number, since it is larger than the sum of its proper divisors (118764711406048).

121022122222112 is a wasteful number, since it uses less digits than its factorization.

121022122222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696993 (or 696985 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 121022122222112 its reverse (211222221220121), we get a palindrome (332244343442233).

The spelling of 121022122222112 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".