21220023030130 has 32 divisors (see below), whose sum is σ = 38224235622528. Its totient is φ = 8481745958400.

The previous prime is 21220023030043. The next prime is 21220023030133. The reversal of 21220023030130 is 3103032002212.

It is a junction number, because it is equal to n+sod(n) for n = 21220023030098 and 21220023030107.

It is not an unprimeable number, because it can be changed into a prime (21220023030133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81924525 + ... + 82183135.

It is an arithmetic number, because the mean of its divisors is an integer number (1194507363204).

Almost surely, 2^{21220023030130} is an apocalyptic number.

21220023030130 is a deficient number, since it is larger than the sum of its proper divisors (17004212592398).

21220023030130 is a wasteful number, since it uses less digits than its factorization.

21220023030130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264642.

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

Adding to 21220023030130 its reverse (3103032002212), we get a palindrome (24323055032342).

The spelling of 21220023030130 in words is "twenty-one trillion, two hundred twenty billion, twenty-three million, thirty thousand, one hundred thirty".