200202101012021 has 8 divisors (see below), whose sum is σ = 202830256294104. Its totient is φ = 197586611539200.

The previous prime is 200202101011987. The next prime is 200202101012033. The reversal of 200202101012021 is 120210101202002.

It can be written as a sum of positive squares in 4 ways, for example, as 464086575121 + 199738014436900 = 681239^2 + 14132870^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 200202101012021 - 2³⁰ = 200201027270197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200202101011987 and 200202101012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202101012071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166420496 + ... + 3166483721.

It is an arithmetic number, because the mean of its divisors is an integer number (25353782036763).

Almost surely, 2^{200202101012021} is an apocalyptic number.

It is an amenable number.

200202101012021 is a deficient number, since it is larger than the sum of its proper divisors (2628155282083).

200202101012021 is a wasteful number, since it uses less digits than its factorization.

200202101012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332904631.

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

Adding to 200202101012021 its reverse (120210101202002), we get a palindrome (320412202214023).

The spelling of 200202101012021 in words is "two hundred trillion, two hundred two billion, one hundred one million, twelve thousand, twenty-one".