200211001004591 has 4 divisors (see below), whose sum is σ = 200430771588384. Its totient is φ = 199991230420800.

The previous prime is 200211001004579. The next prime is 200211001004593. The reversal of 200211001004591 is 195400100112002.

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

It is a cyclic number.

It is not a de Polignac number, because 200211001004591 - 2³⁰ = 200209927262767 is a prime.

It is a super-2 number, since 2×200211001004591² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200211001004591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211001004593) 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, 109885290530 + ... + 109885292351.

It is an arithmetic number, because the mean of its divisors is an integer number (50107692897096).

Almost surely, 2^{200211001004591} is an apocalyptic number.

200211001004591 is a deficient number, since it is larger than the sum of its proper divisors (219770583793).

200211001004591 is an equidigital number, since it uses as much as digits as its factorization.

200211001004591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219770583792.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 200211001004591 its reverse (195400100112002), we get a palindrome (395611101116593).

The spelling of 200211001004591 in words is "two hundred trillion, two hundred eleven billion, one million, four thousand, five hundred ninety-one".