21201200320202 has 16 divisors (see below), whose sum is σ = 36719604680640. Its totient is φ = 8992556247168.

The previous prime is 21201200320177. The next prime is 21201200320229. The reversal of 21201200320202 is 20202300210212.

It is a super-3 number, since 3×21201200320202³ (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 7 ways as a sum of consecutive naturals, for example, 7806037052 + ... + 7806039767.

It is an arithmetic number, because the mean of its divisors is an integer number (2294975292540).

Almost surely, 2^{21201200320202} is an apocalyptic number.

21201200320202 is a deficient number, since it is larger than the sum of its proper divisors (15518404360438).

21201200320202 is a wasteful number, since it uses less digits than its factorization.

21201200320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15612076925.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21201200320202 its reverse (20202300210212), we get a palindrome (41403500530414).

The spelling of 21201200320202 in words is "twenty-one trillion, two hundred one billion, two hundred million, three hundred twenty thousand, two hundred two".