2000121210121 has 8 divisors (see below), whose sum is σ = 2048656072320. Its totient is φ = 1951678185072.

The previous prime is 2000121210107. The next prime is 2000121210169. The reversal of 2000121210121 is 1210121210002.

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 2000121210121 - 2⁹ = 2000121209609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000121210721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22915201 + ... + 23002318.

It is an arithmetic number, because the mean of its divisors is an integer number (256082009040).

Almost surely, 2^{2000121210121} is an apocalyptic number.

It is an amenable number.

2000121210121 is a deficient number, since it is larger than the sum of its proper divisors (48534862199).

2000121210121 is a wasteful number, since it uses less digits than its factorization.

2000121210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45918575.

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

Adding to 2000121210121 its reverse (1210121210002), we get a palindrome (3210242420123).

It can be divided in two parts, 2000 and 121210121, that added together give a palindrome (121212121).

The spelling of 2000121210121 in words is "two trillion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty-one".