200100012100221 has 8 divisors (see below), whose sum is σ = 276000016690080. Its totient is φ = 128800007788592.

The previous prime is 200100012100171. The next prime is 200100012100249. The reversal of 200100012100221 is 122001210001002.

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 200100012100221 - 2¹⁴ = 200100012083837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200100012100197 and 200100012100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100012100421) 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, 1150000069455 + ... + 1150000069628.

It is an arithmetic number, because the mean of its divisors is an integer number (34500002086260).

Almost surely, 2^{200100012100221} is an apocalyptic number.

It is an amenable number.

200100012100221 is a deficient number, since it is larger than the sum of its proper divisors (75900004589859).

200100012100221 is a wasteful number, since it uses less digits than its factorization.

200100012100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300000139115.

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

Adding to 200100012100221 its reverse (122001210001002), we get a palindrome (322101222101223).

The spelling of 200100012100221 in words is "two hundred trillion, one hundred billion, twelve million, one hundred thousand, two hundred twenty-one".