222121111100203 has 8 divisors (see below), whose sum is σ = 253856219770080. Its totient is φ = 190386882772800.

The previous prime is 222121111100201. The next prime is 222121111100257. The reversal of 222121111100203 is 302001111121222.

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

It is not a de Polignac number, because 222121111100203 - 2¹ = 222121111100201 is a prime.

It is a super-2 number, since 2×222121111100203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222121111100201) 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, 219544858 + ... + 220554271.

It is an arithmetic number, because the mean of its divisors is an integer number (31732027471260).

Almost surely, 2^{222121111100203} is an apocalyptic number.

222121111100203 is a deficient number, since it is larger than the sum of its proper divisors (31735108669877).

222121111100203 is an equidigital number, since it uses as much as digits as its factorization.

222121111100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440171237.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 222121111100203 its reverse (302001111121222), we get a palindrome (524122222221425).

The spelling of 222121111100203 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred eleven million, one hundred thousand, two hundred three".