21222202112003 has 8 divisors (see below), whose sum is σ = 21677842678080. Its totient is φ = 20766732560640.

The previous prime is 21222202111991. The next prime is 21222202112009. The reversal of 21222202112003 is 30021120222212.

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 21222202112003 - 2¹⁶ = 21222202046467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21222202112009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42502808 + ... + 42999221.

It is an arithmetic number, because the mean of its divisors is an integer number (2709730334760).

Almost surely, 2^{21222202112003} is an apocalyptic number.

21222202112003 is a deficient number, since it is larger than the sum of its proper divisors (455640566077).

21222202112003 is an equidigital number, since it uses as much as digits as its factorization.

21222202112003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85507357.

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

Adding to 21222202112003 its reverse (30021120222212), we get a palindrome (51243322334215).

The spelling of 21222202112003 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred two million, one hundred twelve thousand, three".