222121021003 has 8 divisors (see below), whose sum is σ = 255790402560. Its totient is φ = 188936091240.

The previous prime is 222121020991. The next prime is 222121021019. The reversal of 222121021003 is 300120121222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 222121021003 - 2⁵ = 222121020971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222121021103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 121111963 + ... + 121113796.

It is an arithmetic number, because the mean of its divisors is an integer number (31973800320).

Almost surely, 2^222121021003 is an apocalyptic number.

222121021003 is a deficient number, since it is larger than the sum of its proper divisors (33669381557).

222121021003 is a wasteful number, since it uses less digits than its factorization.

222121021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242225897.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222121021003 its reverse (300120121222), we get a palindrome (522241142225).

The spelling of 222121021003 in words is "two hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, three".