2000121221101 has 8 divisors (see below), whose sum is σ = 2027843922944. Its totient is φ = 1972407270240.

The previous prime is 2000121221099. The next prime is 2000121221123. The reversal of 2000121221101 is 1011221210002.

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 2000121221101 - 2¹ = 2000121221099 is a prime.

It is a super-3 number, since 3×2000121221101³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000121221191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726791 + ... + 2642356.

It is an arithmetic number, because the mean of its divisors is an integer number (253480490368).

Almost surely, 2^{2000121221101} is an apocalyptic number.

It is an amenable number.

2000121221101 is a deficient number, since it is larger than the sum of its proper divisors (27722701843).

2000121221101 is an equidigital number, since it uses as much as digits as its factorization.

2000121221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375491.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2000121221101 its reverse (1011221210002), we get a palindrome (3011342431103).

It can be divided in two parts, 2000121 and 221101, that added together give a palindrome (2221222).

The spelling of 2000121221101 in words is "two trillion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred one".