21223030202 has 8 divisors (see below), whose sum is σ = 34728594912. Its totient is φ = 9646831900.

The previous prime is 21223030141. The next prime is 21223030223. The reversal of 21223030202 is 20203032212.

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

It is a super-3 number, since 3×21223030202³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 482341574 + ... + 482341617.

It is an arithmetic number, because the mean of its divisors is an integer number (4341074364).

Almost surely, 2^21223030202 is an apocalyptic number.

21223030202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21223030202 is a deficient number, since it is larger than the sum of its proper divisors (13505564710).

21223030202 is a wasteful number, since it uses less digits than its factorization.

21223030202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964683204.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21223030202 its reverse (20203032212), we get a palindrome (41426062414).

The spelling of 21223030202 in words is "twenty-one billion, two hundred twenty-three million, thirty thousand, two hundred two".