222222022012120 has 32 divisors (see below), whose sum is σ = 538461053338320. Its totient is φ = 82051208127360.

The previous prime is 222222022012117. The next prime is 222222022012171. The reversal of 222222022012120 is 21210220222222.

It is a junction number, because it is equal to n+sod(n) for n = 222222022012091 and 222222022012100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213675020646 + ... + 213675021685.

Almost surely, 2^{222222022012120} is an apocalyptic number.

222222022012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222022012120 is an abundant number, since it is smaller than the sum of its proper divisors (316239031326200).

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

222222022012120 is a wasteful number, since it uses less digits than its factorization.

222222022012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427350042355 (or 427350042351 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222222022012120 its reverse (21210220222222), we get a palindrome (243432242234342).

The spelling of 222222022012120 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-two million, twelve thousand, one hundred twenty".