222120121021224 has 32 divisors (see below), whose sum is σ = 555304544733120. Its totient is φ = 74039474716416.

The previous prime is 222120121021193. The next prime is 222120121021313. The reversal of 222120121021224 is 422120121021222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 222120121021194 and 222120121021203.

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, 32138497 + ... + 38433360.

It is an arithmetic number, because the mean of its divisors is an integer number (17353267022910).

Almost surely, 2^{222120121021224} is an apocalyptic number.

222120121021224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222120121021224 is an abundant number, since it is smaller than the sum of its proper divisors (333184423711896).

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

222120121021224 is a wasteful number, since it uses less digits than its factorization.

222120121021224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70703009 (or 70703005 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 222120121021224 its reverse (422120121021222), we get a palindrome (644240242042446).

The spelling of 222120121021224 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-four".