200121000111001 has 8 divisors (see below), whose sum is σ = 205849245490560. Its totient is φ = 194454019388208.

The previous prime is 200121000110989. The next prime is 200121000111023. The reversal of 200121000111001 is 100111000121002.

200121000111001 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 200121000111001 - 2¹⁹ = 200120999586713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200121000111401) 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, 15316157566 + ... + 15316170631.

It is an arithmetic number, because the mean of its divisors is an integer number (25731155686320).

Almost surely, 2^{200121000111001} is an apocalyptic number.

It is an amenable number.

200121000111001 is a deficient number, since it is larger than the sum of its proper divisors (5728245379559).

200121000111001 is a wasteful number, since it uses less digits than its factorization.

200121000111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30632328383.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 200121000111001 its reverse (100111000121002), we get a palindrome (300232000232003).

It can be divided in two parts, 2001210001 and 11001, that added together give a palindrome (2001221002).

The spelling of 200121000111001 in words is "two hundred trillion, one hundred twenty-one billion, one hundred eleven thousand, one".