200101212221 has 8 divisors (see below), whose sum is σ = 202091839488. Its totient is φ = 198110770000.

The previous prime is 200101212137. The next prime is 200101212251. The reversal of 200101212221 is 122212101002.

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 200101212221 - 2²² = 200097017917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200101212196 and 200101212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101212251) 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, 3383576 + ... + 3442206.

It is an arithmetic number, because the mean of its divisors is an integer number (25261479936).

Almost surely, 2^200101212221 is an apocalyptic number.

It is an amenable number.

200101212221 is a deficient number, since it is larger than the sum of its proper divisors (1990627267).

200101212221 is a wasteful number, since it uses less digits than its factorization.

200101212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92523.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200101212221 its reverse (122212101002), we get a palindrome (322313313223).

The spelling of 200101212221 in words is "two hundred billion, one hundred one million, two hundred twelve thousand, two hundred twenty-one".