21030130022 has 8 divisors (see below), whose sum is σ = 34412940072. Its totient is φ = 9559150000.

The previous prime is 21030130001. The next prime is 21030130049. The reversal of 21030130022 is 22003103012.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 21030129979 and 21030130006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477957479 + ... + 477957522.

It is an arithmetic number, because the mean of its divisors is an integer number (4301617509).

Almost surely, 2^21030130022 is an apocalyptic number.

21030130022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21030130022 is a deficient number, since it is larger than the sum of its proper divisors (13382810050).

21030130022 is a wasteful number, since it uses less digits than its factorization.

21030130022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955915014.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21030130022 its reverse (22003103012), we get a palindrome (43033233034).

The spelling of 21030130022 in words is "twenty-one billion, thirty million, one hundred thirty thousand, twenty-two".