21011202000202 has 8 divisors (see below), whose sum is σ = 31596190414596. Its totient is φ = 10479138528672.

The previous prime is 21011202000167. The next prime is 21011202000209. The reversal of 21011202000202 is 20200020211012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20001637237761 + 1009564762441 = 4472319^2 + 1004771^2 .

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

It is not an unprimeable number, because it can be changed into a prime (21011202000209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13231234723 + ... + 13231236310.

Almost surely, 2^{21011202000202} is an apocalyptic number.

21011202000202 is a deficient number, since it is larger than the sum of its proper divisors (10584988414394).

21011202000202 is a wasteful number, since it uses less digits than its factorization.

21011202000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26462471432.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21011202000202 its reverse (20200020211012), we get a palindrome (41211222211214).

The spelling of 21011202000202 in words is "twenty-one trillion, eleven billion, two hundred two million, two hundred two", and thus it is an aban number.