200002121221101 has 16 divisors (see below), whose sum is σ = 266770957603584. Its totient is φ = 133284019708224.

The previous prime is 200002121221087. The next prime is 200002121221193. The reversal of 200002121221101 is 101122121200002.

It is not a de Polignac number, because 200002121221101 - 2¹⁹ = 200002120696813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200002121221801) 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, 232768191 + ... + 233625843.

It is an arithmetic number, because the mean of its divisors is an integer number (16673184850224).

Almost surely, 2^{200002121221101} is an apocalyptic number.

It is an amenable number.

200002121221101 is a deficient number, since it is larger than the sum of its proper divisors (66768836382483).

200002121221101 is a wasteful number, since it uses less digits than its factorization.

200002121221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887140.

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

Adding to 200002121221101 its reverse (101122121200002), we get a palindrome (301124242421103).

The spelling of 200002121221101 in words is "two hundred trillion, two billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred one".