222121200002 has 32 divisors (see below), whose sum is σ = 362570342400. Its totient is φ = 101444587200.

The previous prime is 222121200001. The next prime is 222121200011. The reversal of 222121200002 is 200002121222.

222121200002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222121200002.

It is not an unprimeable number, because it can be changed into a prime (222121200001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4763999 + ... + 4810397.

It is an arithmetic number, because the mean of its divisors is an integer number (11330323200).

Almost surely, 2^222121200002 is an apocalyptic number.

222121200002 is a deficient number, since it is larger than the sum of its proper divisors (140449142398).

222121200002 is a wasteful number, since it uses less digits than its factorization.

222121200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48338.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222121200002 its reverse (200002121222), we get a palindrome (422123321224).

The spelling of 222121200002 in words is "two hundred twenty-two billion, one hundred twenty-one million, two hundred thousand, two".