200101121100221 has 8 divisors (see below), whose sum is σ = 218304885258144. Its totient is φ = 181899482467120.

The previous prime is 200101121100173. The next prime is 200101121100263. The reversal of 200101121100221 is 122001121101002.

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

It is a de Polignac number, because none of the positive numbers 2^k-200101121100221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200101121100196 and 200101121100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101121100271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531184355 + ... + 531560928.

It is an arithmetic number, because the mean of its divisors is an integer number (27288110657268).

Almost surely, 2^{200101121100221} is an apocalyptic number.

It is an amenable number.

200101121100221 is a deficient number, since it is larger than the sum of its proper divisors (18203764157923).

200101121100221 is a wasteful number, since it uses less digits than its factorization.

200101121100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062762411.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200101121100221 its reverse (122001121101002), we get a palindrome (322102242201223).

The spelling of 200101121100221 in words is "two hundred trillion, one hundred one billion, one hundred twenty-one million, one hundred thousand, two hundred twenty-one".