200101201012221 has 16 divisors (see below), whose sum is σ = 268511356610304. Its totient is φ = 132545988753984.

The previous prime is 200101201012171. The next prime is 200101201012387. The reversal of 200101201012221 is 122210102101002.

It is not a de Polignac number, because 200101201012221 - 2⁶ = 200101201012157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200101201012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101201112221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3999655 + ... + 20400971.

It is an arithmetic number, because the mean of its divisors is an integer number (16781959788144).

Almost surely, 2^{200101201012221} is an apocalyptic number.

It is an amenable number.

200101201012221 is a deficient number, since it is larger than the sum of its proper divisors (68410155598083).

200101201012221 is a wasteful number, since it uses less digits than its factorization.

200101201012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16427380.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200101201012221 its reverse (122210102101002), we get a palindrome (322311303113223).

The spelling of 200101201012221 in words is "two hundred trillion, one hundred one billion, two hundred one million, twelve thousand, two hundred twenty-one".