222121001202112 has 28 divisors (see below), whose sum is σ = 440851400840520. Its totient is φ = 111040333273856.

The previous prime is 222121001202109. The next prime is 222121001202161. The reversal of 222121001202112 is 211202100121222.

It is a self number, because there is not a number n which added to its sum of digits gives 222121001202112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314759287 + ... + 315464182.

Almost surely, 2^{222121001202112} is an apocalyptic number.

It is an amenable number.

222121001202112 is a deficient number, since it is larger than the sum of its proper divisors (218730399638408).

222121001202112 is an equidigital number, since it uses as much as digits as its factorization.

222121001202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630228988 (or 630228978 counting only the distinct ones).

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

Adding to 222121001202112 its reverse (211202100121222), we get a palindrome (433323101323334).

The spelling of 222121001202112 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one million, two hundred two thousand, one hundred twelve".