222121020332 has 36 divisors (see below), whose sum is σ = 406395149160. Its totient is φ = 106169489664.

The previous prime is 222121020311. The next prime is 222121020343. The reversal of 222121020332 is 233020121222.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 87644 + ... + 672252.

Almost surely, 2^222121020332 is an apocalyptic number.

It is an amenable number.

222121020332 is a deficient number, since it is larger than the sum of its proper divisors (184274128828).

222121020332 is a wasteful number, since it uses less digits than its factorization.

222121020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584750 (or 584701 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222121020332 its reverse (233020121222), we get a palindrome (455141141554).

The spelling of 222121020332 in words is "two hundred twenty-two billion, one hundred twenty-one million, twenty thousand, three hundred thirty-two".