2121434322230 has 16 divisors (see below), whose sum is σ = 3818620514880. Its totient is φ = 848565121152.

The previous prime is 2121434322229. The next prime is 2121434322239. The reversal of 2121434322230 is 322234341212.

It is a junction number, because it is equal to n+sod(n) for n = 2121434322193 and 2121434322202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121434322239) 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, 11486 + ... + 2059854.

It is an arithmetic number, because the mean of its divisors is an integer number (238663782180).

Almost surely, 2^{2121434322230} is an apocalyptic number.

2121434322230 is a deficient number, since it is larger than the sum of its proper divisors (1697186192650).

2121434322230 is a wasteful number, since it uses less digits than its factorization.

2121434322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151943.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2121434322230 its reverse (322234341212), we get a palindrome (2443668663442).

The spelling of 2121434322230 in words is "two trillion, one hundred twenty-one billion, four hundred thirty-four million, three hundred twenty-two thousand, two hundred thirty".