200112000202021 has 4 divisors (see below), whose sum is σ = 200113516942912. Its totient is φ = 200110483461132.

The previous prime is 200112000202019. The next prime is 200112000202057. The reversal of 200112000202021 is 120202000211002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200112000202021 - 2¹ = 200112000202019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200112000201992 and 200112000202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200112000272021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758172525 + ... + 758436418.

It is an arithmetic number, because the mean of its divisors is an integer number (50028379235728).

Almost surely, 2^{200112000202021} is an apocalyptic number.

It is an amenable number.

200112000202021 is a deficient number, since it is larger than the sum of its proper divisors (1516740891).

200112000202021 is a wasteful number, since it uses less digits than its factorization.

200112000202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516740890.

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

Adding to 200112000202021 its reverse (120202000211002), we get a palindrome (320314000413023).

The spelling of 200112000202021 in words is "two hundred trillion, one hundred twelve billion, two hundred two thousand, twenty-one".