200001211121011 has 4 divisors (see below), whose sum is σ = 200005453605232. Its totient is φ = 199996968636792.

The previous prime is 200001211120979. The next prime is 200001211121099. The reversal of 200001211121011 is 110121112100002.

It is a happy number.

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 200001211121011 - 2⁵ = 200001211120979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200001211120982 and 200001211121000.

It is not an unprimeable number, because it can be changed into a prime (200001211121611) 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, 2121171396 + ... + 2121265681.

It is an arithmetic number, because the mean of its divisors is an integer number (50001363401308).

Almost surely, 2^{200001211121011} is an apocalyptic number.

200001211121011 is a deficient number, since it is larger than the sum of its proper divisors (4242484221).

200001211121011 is an equidigital number, since it uses as much as digits as its factorization.

200001211121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242484220.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200001211121011 its reverse (110121112100002), we get a palindrome (310122323221013).

The spelling of 200001211121011 in words is "two hundred trillion, one billion, two hundred eleven million, one hundred twenty-one thousand, eleven".