2000121024851 has 2 divisors, whose sum is σ = 2000121024852. Its totient is φ = 2000121024850.

The previous prime is 2000121024841. The next prime is 2000121024917. The reversal of 2000121024851 is 1584201210002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2000121024851 - 2⁶ = 2000121024787 is a prime.

It is a super-2 number, since 2×2000121024851² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2000121024851.

It is not a weakly prime, because it can be changed into another prime (2000121024841) 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 as a sum of consecutive naturals, namely, 1000060512425 + 1000060512426.

It is an arithmetic number, because the mean of its divisors is an integer number (1000060512426).

Almost surely, 2^{2000121024851} is an apocalyptic number.

2000121024851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000121024851 is an equidigital number, since it uses as much as digits as its factorization.

2000121024851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 2000121024851 its reverse (1584201210002), we get a palindrome (3584322234853).

The spelling of 2000121024851 in words is "two trillion, one hundred twenty-one million, twenty-four thousand, eight hundred fifty-one".