21223100210234 has 128 divisors (see below), whose sum is σ = 36434437079040. Its totient is φ = 9202945766400.

The previous prime is 21223100210201. The next prime is 21223100210321. The reversal of 21223100210234 is 43201200132212.

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 63 ways as a sum of consecutive naturals, for example, 2401070387 + ... + 2401079225.

It is an arithmetic number, because the mean of its divisors is an integer number (284644039680).

Almost surely, 2^{21223100210234} is an apocalyptic number.

21223100210234 is a deficient number, since it is larger than the sum of its proper divisors (15211336868806).

21223100210234 is a wasteful number, since it uses less digits than its factorization.

21223100210234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21223100210234 its reverse (43201200132212), we get a palindrome (64424300342446).

The spelling of 21223100210234 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred million, two hundred ten thousand, two hundred thirty-four".