200211001000021 has 24 divisors (see below), whose sum is σ = 222992539056000. Its totient is φ = 179598412593600.

The previous prime is 200211001000013. The next prime is 200211001000151. The reversal of 200211001000021 is 120000100112002.

It is not a de Polignac number, because 200211001000021 - 2³ = 200211001000013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211000999971 and 200211001000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211001000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13644621 + ... + 24219778.

It is an arithmetic number, because the mean of its divisors is an integer number (9291355794000).

Almost surely, 2^{200211001000021} is an apocalyptic number.

It is an amenable number.

200211001000021 is a deficient number, since it is larger than the sum of its proper divisors (22781538055979).

200211001000021 is a wasteful number, since it uses less digits than its factorization.

200211001000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37865001 (or 37864990 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200211001000021 its reverse (120000100112002), we get a palindrome (320211101112023).

The spelling of 200211001000021 in words is "two hundred trillion, two hundred eleven billion, one million, twenty-one", and thus it is an aban number.