200102220001221 has 8 divisors (see below), whose sum is σ = 266803027106304. Its totient is φ = 133401446448480.

The previous prime is 200102220001219. The next prime is 200102220001267. The reversal of 200102220001221 is 122100022201002.

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

It is not a de Polignac number, because 200102220001221 - 2¹ = 200102220001219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200102220001221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102220001721) 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, 14275036 + ... + 24576026.

It is an arithmetic number, because the mean of its divisors is an integer number (33350378388288).

Almost surely, 2^{200102220001221} is an apocalyptic number.

It is an amenable number.

200102220001221 is a deficient number, since it is larger than the sum of its proper divisors (66700807105083).

200102220001221 is a wasteful number, since it uses less digits than its factorization.

200102220001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16776171.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200102220001221 its reverse (122100022201002), we get a palindrome (322202242202223).

The spelling of 200102220001221 in words is "two hundred trillion, one hundred two billion, two hundred twenty million, one thousand, two hundred twenty-one".