222021121210120 has 32 divisors (see below), whose sum is σ = 499550599278720. Its totient is φ = 88807901540800.

The previous prime is 222021121210111. The next prime is 222021121210139. The reversal of 222021121210120 is 21012121120222.

It is a super-3 number, since 3×222021121210120³ (a number of 44 digits) contains 333 as substring.

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, 10484362 + ... + 23536441.

It is an arithmetic number, because the mean of its divisors is an integer number (15610956227460).

Almost surely, 2^{222021121210120} is an apocalyptic number.

222021121210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222021121210120 is an abundant number, since it is smaller than the sum of its proper divisors (277529478068600).

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

222021121210120 is a wasteful number, since it uses less digits than its factorization.

222021121210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34183965 (or 34183961 counting only the distinct ones).

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

Adding to 222021121210120 its reverse (21012121120222), we get a palindrome (243033242330342).

The spelling of 222021121210120 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty".