200202021021 has 8 divisors (see below), whose sum is σ = 274150515424. Its totient is φ = 129860770320.

The previous prime is 200202020989. The next prime is 200202021037. The reversal of 200202021021 is 120120202002.

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

It is not a de Polignac number, because 200202021021 - 2⁵ = 200202020989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200202020988 and 200202021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202021091) 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, 901810795 + ... + 901811016.

It is an arithmetic number, because the mean of its divisors is an integer number (34268814428).

Almost surely, 2^200202021021 is an apocalyptic number.

It is an amenable number.

200202021021 is a deficient number, since it is larger than the sum of its proper divisors (73948494403).

200202021021 is a wasteful number, since it uses less digits than its factorization.

200202021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803621851.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200202021021 its reverse (120120202002), we get a palindrome (320322223023).

The spelling of 200202021021 in words is "two hundred billion, two hundred two million, twenty-one thousand, twenty-one".