200121210002011 has 8 divisors (see below), whose sum is σ = 201119781868544. Its totient is φ = 199123541415720.

The previous prime is 200121210001981. The next prime is 200121210002047. The reversal of 200121210002011 is 110200012121002.

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 200121210002011 - 2¹³ = 200121209993819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200121210001982 and 200121210002000.

It is not an unprimeable number, because it can be changed into a prime (200121210002611) 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, 225375855 + ... + 226262056.

It is an arithmetic number, because the mean of its divisors is an integer number (25139972733568).

Almost surely, 2^{200121210002011} is an apocalyptic number.

200121210002011 is a deficient number, since it is larger than the sum of its proper divisors (998571866533).

200121210002011 is a wasteful number, since it uses less digits than its factorization.

200121210002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451640121.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200121210002011 its reverse (110200012121002), we get a palindrome (310321222123013).

The spelling of 200121210002011 in words is "two hundred trillion, one hundred twenty-one billion, two hundred ten million, two thousand, eleven".