222120121322 has 24 divisors (see below), whose sum is σ = 369848854116. Its totient is φ = 99964040000.

The previous prime is 222120121309. The next prime is 222120121373. The reversal of 222120121322 is 223121021222.

It can be written as a sum of positive squares in 2 ways, for example, as 171966966721 + 50153154601 = 414689^2 + 223949^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222120121294 and 222120121303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4519379 + ... + 4568262.

Almost surely, 2^222120121322 is an apocalyptic number.

222120121322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222120121322 is a deficient number, since it is larger than the sum of its proper divisors (147728732794).

222120121322 is a wasteful number, since it uses less digits than its factorization.

222120121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087766 (or 9087755 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222120121322 its reverse (223121021222), we get a palindrome (445241142544).

The spelling of 222120121322 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, three hundred twenty-two".