22121301230 has 16 divisors (see below), whose sum is σ = 45506676960. Its totient is φ = 7584446112.

The previous prime is 22121301217. The next prime is 22121301299. The reversal of 22121301230 is 3210312122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22121301199 and 22121301208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158009225 + ... + 158009364.

It is an arithmetic number, because the mean of its divisors is an integer number (2844167310).

Almost surely, 2^22121301230 is an apocalyptic number.

22121301230 is an abundant number, since it is smaller than the sum of its proper divisors (23385375730).

22121301230 is a wasteful number, since it uses less digits than its factorization.

22121301230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316018603.

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

Adding to 22121301230 its reverse (3210312122), we get a palindrome (25331613352).

The spelling of 22121301230 in words is "twenty-two billion, one hundred twenty-one million, three hundred one thousand, two hundred thirty".