200200011021 has 16 divisors (see below), whose sum is σ = 296614235520. Its totient is φ = 133456942080.

The previous prime is 200200011017. The next prime is 200200011043. The reversal of 200200011021 is 120110002002.

It is not a de Polignac number, because 200200011021 - 2² = 200200011017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200200010994 and 200200011012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200013021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116896 + ... + 643478.

It is an arithmetic number, because the mean of its divisors is an integer number (18538389720).

Almost surely, 2^200200011021 is an apocalyptic number.

It is an amenable number.

200200011021 is a deficient number, since it is larger than the sum of its proper divisors (96414224499).

200200011021 is a wasteful number, since it uses less digits than its factorization.

200200011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540673 (or 540667 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200200011021 its reverse (120110002002), we get a palindrome (320310013023).

It can be divided in two parts, 2002000 and 11021, that added together give a triangular number (2013021 = T₂₀₀₆).

The spelling of 200200011021 in words is "two hundred billion, two hundred million, eleven thousand, twenty-one".