200121122012011 has 8 divisors (see below), whose sum is σ = 200148803115584. Its totient is φ = 200093442436800.

The previous prime is 200121122011997. The next prime is 200121122012041. The reversal of 200121122012011 is 110210221121002.

200121122012011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200121122012011 - 2²⁵ = 200121088457579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200121122012041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275112295 + ... + 275838751.

It is an arithmetic number, because the mean of its divisors is an integer number (25018600389448).

Almost surely, 2^{200121122012011} is an apocalyptic number.

200121122012011 is a deficient number, since it is larger than the sum of its proper divisors (27681103573).

200121122012011 is an equidigital number, since it uses as much as digits as its factorization.

200121122012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764181.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200121122012011 its reverse (110210221121002), we get a palindrome (310331343133013).

The spelling of 200121122012011 in words is "two hundred trillion, one hundred twenty-one billion, one hundred twenty-two million, twelve thousand, eleven".