21030313222 has 8 divisors (see below), whose sum is σ = 31627835136. Its totient is φ = 10487701512.

The previous prime is 21030313219. The next prime is 21030313253. The reversal of 21030313222 is 22231303012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21030313222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13726593 + ... + 13728124.

It is an arithmetic number, because the mean of its divisors is an integer number (3953479392).

Almost surely, 2^21030313222 is an apocalyptic number.

21030313222 is a deficient number, since it is larger than the sum of its proper divisors (10597521914).

21030313222 is a wasteful number, since it uses less digits than its factorization.

21030313222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27455102.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21030313222 its reverse (22231303012), we get a palindrome (43261616234).

The spelling of 21030313222 in words is "twenty-one billion, thirty million, three hundred thirteen thousand, two hundred twenty-two".