222121222103 has 64 divisors (see below), whose sum is σ = 275471400960. Its totient is φ = 176761440000.

The previous prime is 222121222079. The next prime is 222121222111. The reversal of 222121222103 is 301222121222.

It is a cyclic number.

It is not a de Polignac number, because 222121222103 - 2⁶ = 222121222039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121222163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12476138 + ... + 12493928.

It is an arithmetic number, because the mean of its divisors is an integer number (4304240640).

Almost surely, 2^222121222103 is an apocalyptic number.

222121222103 is a deficient number, since it is larger than the sum of its proper divisors (53350178857).

222121222103 is a wasteful number, since it uses less digits than its factorization.

222121222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17940.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222121222103 its reverse (301222121222), we get a palindrome (523343343325).

The spelling of 222121222103 in words is "two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred three".