21000323013202 has 32 divisors (see below), whose sum is σ = 34765493414400. Its totient is φ = 9452112574080.

The previous prime is 21000323013083. The next prime is 21000323013203. The reversal of 21000323013202 is 20231032300012.

It is a self number, because there is not a number n which added to its sum of digits gives 21000323013202.

It is not an unprimeable number, because it can be changed into a prime (21000323013203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548568 + ... + 6663235.

It is an arithmetic number, because the mean of its divisors is an integer number (1086421669200).

Almost surely, 2^{21000323013202} is an apocalyptic number.

21000323013202 is a deficient number, since it is larger than the sum of its proper divisors (13765170401198).

21000323013202 is a wasteful number, since it uses less digits than its factorization.

21000323013202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214258.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21000323013202 its reverse (20231032300012), we get a palindrome (41231355313214).

The spelling of 21000323013202 in words is "twenty-one trillion, three hundred twenty-three million, thirteen thousand, two hundred two".