21022001201202 has 8 divisors (see below), whose sum is σ = 42044002402416. Its totient is φ = 7007333733732.

The previous prime is 21022001201191. The next prime is 21022001201233. The reversal of 21022001201202 is 20210210022012.

It is a sphenic number, since it is the product of 3 distinct primes.

21022001201202 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751833433428 + ... + 1751833433439.

It is an arithmetic number, because the mean of its divisors is an integer number (5255500300302).

Almost surely, 2^{21022001201202} is an apocalyptic number.

21022001201202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21022001201202 is a wasteful number, since it uses less digits than its factorization.

21022001201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503666866872.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21022001201202 its reverse (20210210022012), we get a palindrome (41232211223214).

The spelling of 21022001201202 in words is "twenty-one trillion, twenty-two billion, one million, two hundred one thousand, two hundred two".