21301232231202 has 64 divisors (see below), whose sum is σ = 53116394803200. Its totient is φ = 5532617393280.

The previous prime is 21301232231183. The next prime is 21301232231261. The reversal of 21301232231202 is 20213223210312.

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, 14686999 + ... + 16072037.

It is an arithmetic number, because the mean of its divisors is an integer number (829943668800).

Almost surely, 2^{21301232231202} is an apocalyptic number.

21301232231202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21301232231202 is an abundant number, since it is smaller than the sum of its proper divisors (31815162571998).

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

21301232231202 is a wasteful number, since it uses less digits than its factorization.

21301232231202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418351.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21301232231202 its reverse (20213223210312), we get a palindrome (41514455441514).

The spelling of 21301232231202 in words is "twenty-one trillion, three hundred one billion, two hundred thirty-two million, two hundred thirty-one thousand, two hundred two".