2121434022230 has 64 divisors (see below), whose sum is σ = 3912967802880. Its totient is φ = 827723311104.

The previous prime is 2121434022167. The next prime is 2121434022247. The reversal of 2121434022230 is 322204341212.

It is a super-2 number, since 2×2121434022230² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2121434022230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464511407 + ... + 464515973.

It is an arithmetic number, because the mean of its divisors is an integer number (61140121920).

Almost surely, 2^{2121434022230} is an apocalyptic number.

2121434022230 is a deficient number, since it is larger than the sum of its proper divisors (1791533780650).

2121434022230 is a wasteful number, since it uses less digits than its factorization.

2121434022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7733.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2121434022230 its reverse (322204341212), we get a palindrome (2443638363442).

The spelling of 2121434022230 in words is "two trillion, one hundred twenty-one billion, four hundred thirty-four million, twenty-two thousand, two hundred thirty".