21321332012202 has 16 divisors (see below), whose sum is σ = 43795168457952. Its totient is φ = 6915026598480.

The previous prime is 21321332012171. The next prime is 21321332012219. The reversal of 21321332012202 is 20221023312312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48021017824 + ... + 48021018267.

It is an arithmetic number, because the mean of its divisors is an integer number (2737198028622).

Almost surely, 2^{21321332012202} is an apocalyptic number.

21321332012202 is an abundant number, since it is smaller than the sum of its proper divisors (22473836445750).

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

21321332012202 is a wasteful number, since it uses less digits than its factorization.

21321332012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96042036133.

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

Adding to 21321332012202 its reverse (20221023312312), we get a palindrome (41542355324514).

The spelling of 21321332012202 in words is "twenty-one trillion, three hundred twenty-one billion, three hundred thirty-two million, twelve thousand, two hundred two".