21002110201202 has 8 divisors (see below), whose sum is σ = 33926485709676. Its totient is φ = 9693281631312.

The previous prime is 21002110201153. The next prime is 21002110201213. The reversal of 21002110201202 is 20210201120012.

It can be written as a sum of positive squares in 2 ways, for example, as 16663058725681 + 4339051475521 = 4082041^2 + 2083039^2 .

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

It is a super-2 number, since 2×21002110201202² (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 3 ways as a sum of consecutive naturals, for example, 403886734613 + ... + 403886734664.

Almost surely, 2^{21002110201202} is an apocalyptic number.

21002110201202 is a deficient number, since it is larger than the sum of its proper divisors (12924375508474).

21002110201202 is a wasteful number, since it uses less digits than its factorization.

21002110201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807773469292.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21002110201202 its reverse (20210201120012), we get a palindrome (41212311321214).

The spelling of 21002110201202 in words is "twenty-one trillion, two billion, one hundred ten million, two hundred one thousand, two hundred two".