22121302130 has 32 divisors (see below), whose sum is σ = 40085515008. Its totient is φ = 8789212800.

The previous prime is 22121302123. The next prime is 22121302169. The reversal of 22121302130 is 3120312122.

It is a junction number, because it is equal to n+sod(n) for n = 22121302099 and 22121302108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4351190 + ... + 4356270.

It is an arithmetic number, because the mean of its divisors is an integer number (1252672344).

Almost surely, 2^22121302130 is an apocalyptic number.

22121302130 is a deficient number, since it is larger than the sum of its proper divisors (17964212878).

22121302130 is a wasteful number, since it uses less digits than its factorization.

22121302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922.

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

Adding to 22121302130 its reverse (3120312122), we get a palindrome (25241614252).

The spelling of 22121302130 in words is "twenty-two billion, one hundred twenty-one million, three hundred two thousand, one hundred thirty".