2221121000230 has 16 divisors (see below), whose sum is σ = 4361473964304. Its totient is φ = 807680363680.

The previous prime is 2221121000227. The next prime is 2221121000239. The reversal of 2221121000230 is 320001211222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221121000239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10096004437 + ... + 10096004656.

It is an arithmetic number, because the mean of its divisors is an integer number (272592122769).

Almost surely, 2^{2221121000230} is an apocalyptic number.

2221121000230 is a deficient number, since it is larger than the sum of its proper divisors (2140352964074).

2221121000230 is a wasteful number, since it uses less digits than its factorization.

2221121000230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192009111.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2221121000230 its reverse (320001211222), we get a palindrome (2541122211452).

The spelling of 2221121000230 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred thirty", and thus it is an aban number.