21213200330202 has 32 divisors (see below), whose sum is σ = 43236211917888. Its totient is φ = 6936155722496.

The previous prime is 21213200330143. The next prime is 21213200330227. The reversal of 21213200330202 is 20203300231212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5707263 + ... + 8660210.

It is an arithmetic number, because the mean of its divisors is an integer number (1351131622434).

Almost surely, 2^{21213200330202} is an apocalyptic number.

21213200330202 is an abundant number, since it is smaller than the sum of its proper divisors (22023011587686).

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

21213200330202 is a wasteful number, since it uses less digits than its factorization.

21213200330202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14372174.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21213200330202 its reverse (20203300231212), we get a palindrome (41416500561414).

The spelling of 21213200330202 in words is "twenty-one trillion, two hundred thirteen billion, two hundred million, three hundred thirty thousand, two hundred two".