21232341210 has 64 divisors (see below), whose sum is σ = 54074511360. Its totient is φ = 5323982400.

The previous prime is 21232341209. The next prime is 21232341239. The reversal of 21232341210 is 1214323212.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220066 + ... + 301485.

It is an arithmetic number, because the mean of its divisors is an integer number (844914240).

Almost surely, 2^21232341210 is an apocalyptic number.

21232341210 is an abundant number, since it is smaller than the sum of its proper divisors (32842170150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21232341210 is a wasteful number, since it uses less digits than its factorization.

21232341210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521643.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21232341210 its reverse (1214323212), we get a palindrome (22446664422).

The spelling of 21232341210 in words is "twenty-one billion, two hundred thirty-two million, three hundred forty-one thousand, two hundred ten".