200122012011 has 4 divisors (see below), whose sum is σ = 266829349352. Its totient is φ = 133414674672.

The previous prime is 200122012001. The next prime is 200122012049. The reversal of 200122012011 is 110210221002.

200122012011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 200122012011 - 2⁵ = 200122011979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200122012001) 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 3 ways as a sum of consecutive naturals, for example, 33353668666 + ... + 33353668671.

It is an arithmetic number, because the mean of its divisors is an integer number (66707337338).

Almost surely, 2^200122012011 is an apocalyptic number.

200122012011 is a deficient number, since it is larger than the sum of its proper divisors (66707337341).

200122012011 is an equidigital number, since it uses as much as digits as its factorization.

200122012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66707337340.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200122012011 its reverse (110210221002), we get a palindrome (310332233013).

The spelling of 200122012011 in words is "two hundred billion, one hundred twenty-two million, twelve thousand, eleven".