21323103320202 has 64 divisors (see below), whose sum is σ = 46120945052160. Its totient is φ = 6546502803456.

The previous prime is 21323103320173. The next prime is 21323103320221. The reversal of 21323103320202 is 20202330132312.

It is a super-2 number, since 2×21323103320202² (a number of 27 digits) contains 22 as substring.

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, 41399118 + ... + 41911014.

It is an arithmetic number, because the mean of its divisors is an integer number (720639766440).

Almost surely, 2^{21323103320202} is an apocalyptic number.

21323103320202 is an abundant number, since it is smaller than the sum of its proper divisors (24797841731958).

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

21323103320202 is a wasteful number, since it uses less digits than its factorization.

21323103320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520655.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21323103320202 its reverse (20202330132312), we get a palindrome (41525433452514).

The spelling of 21323103320202 in words is "twenty-one trillion, three hundred twenty-three billion, one hundred three million, three hundred twenty thousand, two hundred two".