200211001009 has 4 divisors (see below), whose sum is σ = 207114828660. Its totient is φ = 193307173360.

The previous prime is 200211000989. The next prime is 200211001031. The reversal of 200211001009 is 900100112002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167620642225 + 32590358784 = 409415^2 + 180528^2 .

It is a cyclic number.

It is not a de Polignac number, because 200211001009 - 2¹⁵ = 200210968241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211000983 and 200211001001.

It is not an unprimeable number, because it can be changed into a prime (200211001079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451913782 + ... + 3451913839.

It is an arithmetic number, because the mean of its divisors is an integer number (51778707165).

Almost surely, 2^200211001009 is an apocalyptic number.

200211001009 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

200211001009 is a deficient number, since it is larger than the sum of its proper divisors (6903827651).

200211001009 is an equidigital number, since it uses as much as digits as its factorization.

200211001009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903827650.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 200211001009 in words is "two hundred billion, two hundred eleven million, one thousand, nine".