21030113222 has 8 divisors (see below), whose sum is σ = 32632934400. Its totient is φ = 10152468424.

The previous prime is 21030113207. The next prime is 21030113263. The reversal of 21030113222 is 22231103012.

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 21030113222.

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, 181294022 + ... + 181294137.

It is an arithmetic number, because the mean of its divisors is an integer number (4079116800).

Almost surely, 2^21030113222 is an apocalyptic number.

21030113222 is a deficient number, since it is larger than the sum of its proper divisors (11602821178).

21030113222 is a wasteful number, since it uses less digits than its factorization.

21030113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362588190.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21030113222 its reverse (22231103012), we get a palindrome (43261216234).

The spelling of 21030113222 in words is "twenty-one billion, thirty million, one hundred thirteen thousand, two hundred twenty-two".