21030213321202 has 32 divisors (see below), whose sum is σ = 31806090681984. Its totient is φ = 10428419952000.

The previous prime is 21030213321191. The next prime is 21030213321241. The reversal of 21030213321202 is 20212331203012.

It is an unprimeable number.

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, 771992302 + ... + 772019542.

It is an arithmetic number, because the mean of its divisors is an integer number (993940333812).

Almost surely, 2^{21030213321202} is an apocalyptic number.

21030213321202 is a deficient number, since it is larger than the sum of its proper divisors (10775877360782).

21030213321202 is a wasteful number, since it uses less digits than its factorization.

21030213321202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31474.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21030213321202 its reverse (20212331203012), we get a palindrome (41242544524214).

The spelling of 21030213321202 in words is "twenty-one trillion, thirty billion, two hundred thirteen million, three hundred twenty-one thousand, two hundred two".