21004110320222 has 16 divisors (see below), whose sum is σ = 33175399305600. Its totient is φ = 9946011038040.

The previous prime is 21004110320117. The next prime is 21004110320227. The reversal of 21004110320222 is 22202301140012.

It is a junction number, because it is equal to n+sod(n) for n = 21004110320194 and 21004110320203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21004110320227) 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, 91672322 + ... + 91901157.

It is an arithmetic number, because the mean of its divisors is an integer number (2073462456600).

Almost surely, 2^{21004110320222} is an apocalyptic number.

21004110320222 is a deficient number, since it is larger than the sum of its proper divisors (12171288985378).

21004110320222 is a wasteful number, since it uses less digits than its factorization.

21004110320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183576511.

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

Adding to 21004110320222 its reverse (22202301140012), we get a palindrome (43206411460234).

The spelling of 21004110320222 in words is "twenty-one trillion, four billion, one hundred ten million, three hundred twenty thousand, two hundred twenty-two".