21003323220222 has 32 divisors (see below), whose sum is σ = 48794605707264. Its totient is φ = 5902573269600.

The previous prime is 21003323220203. The next prime is 21003323220233. The reversal of 21003323220222 is 22202232330012.

It is a super-2 number, since 2×21003323220222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21003323220192 and 21003323220201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4099006654 + ... + 4099011777.

It is an arithmetic number, because the mean of its divisors is an integer number (1524831428352).

Almost surely, 2^{21003323220222} is an apocalyptic number.

21003323220222 is an abundant number, since it is smaller than the sum of its proper divisors (27791282487042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21003323220222 is a wasteful number, since it uses less digits than its factorization.

21003323220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198018504.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 21003323220222 its reverse (22202232330012), we get a palindrome (43205555550234).

The spelling of 21003323220222 in words is "twenty-one trillion, three billion, three hundred twenty-three million, two hundred twenty thousand, two hundred twenty-two".