21120002000222 has 8 divisors (see below), whose sum is σ = 31683245941200. Its totient is φ = 10558920019824.

The previous prime is 21120002000197. The next prime is 21120002000243. The reversal of 21120002000222 is 22200020002112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21120002000197 and 21120002000206.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 540465722 + ... + 540504797.

It is an arithmetic number, because the mean of its divisors is an integer number (3960405742650).

Almost surely, 2^{21120002000222} is an apocalyptic number.

21120002000222 is a deficient number, since it is larger than the sum of its proper divisors (10563243940978).

21120002000222 is a wasteful number, since it uses less digits than its factorization.

21120002000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080980290.

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

Adding to 21120002000222 its reverse (22200020002112), we get a palindrome (43320022002334).

The spelling of 21120002000222 in words is "twenty-one trillion, one hundred twenty billion, two million, two hundred twenty-two", and thus it is an aban number.