200210310200021 has 16 divisors (see below), whose sum is σ = 223059157585920. Its totient is φ = 178136144437680.

The previous prime is 200210310199969. The next prime is 200210310200023. The reversal of 200210310200021 is 120002013012002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-200210310200021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200210310199969 and 200210310200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210310200023) 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, 171354920 + ... + 172519358.

It is an arithmetic number, because the mean of its divisors is an integer number (13941197349120).

Almost surely, 2^{200210310200021} is an apocalyptic number.

It is an amenable number.

200210310200021 is a deficient number, since it is larger than the sum of its proper divisors (22848847385899).

200210310200021 is a wasteful number, since it uses less digits than its factorization.

200210310200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497064.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 200210310200021 its reverse (120002013012002), we get a palindrome (320212323212023).

The spelling of 200210310200021 in words is "two hundred trillion, two hundred ten billion, three hundred ten million, two hundred thousand, twenty-one".