21330312010202 has 32 divisors (see below), whose sum is σ = 34495400514960. Its totient is φ = 9833696087040.

The previous prime is 21330312010177. The next prime is 21330312010307. The reversal of 21330312010202 is 20201021303312.

It can be written as a sum of positive squares in 8 ways, for example, as 19134666713761 + 2195645296441 = 4374319^2 + 1481771^2 .

It is a super-3 number, since 3×21330312010202³ (a number of 41 digits) contains 333 as substring.

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, 86091074 + ... + 86338482.

Almost surely, 2^{21330312010202} is an apocalyptic number.

21330312010202 is a deficient number, since it is larger than the sum of its proper divisors (13165088504758).

21330312010202 is a wasteful number, since it uses less digits than its factorization.

21330312010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251138.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21330312010202 its reverse (20201021303312), we get a palindrome (41531333313514).

The spelling of 21330312010202 in words is "twenty-one trillion, three hundred thirty billion, three hundred twelve million, ten thousand, two hundred two".