2000120120121 has 32 divisors (see below), whose sum is σ = 2898395758080. Its totient is φ = 1222176363776.

The previous prime is 2000120120111. The next prime is 2000120120143. The reversal of 2000120120121 is 1210210210002.

It is a cyclic number.

It is not a de Polignac number, because 2000120120121 - 2¹⁹ = 2000119595833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000120120097 and 2000120120106.

It is not an unprimeable number, because it can be changed into a prime (2000120120111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2784171 + ... + 3428096.

It is an arithmetic number, because the mean of its divisors is an integer number (90574867440).

Almost surely, 2^{2000120120121} is an apocalyptic number.

It is an amenable number.

2000120120121 is a deficient number, since it is larger than the sum of its proper divisors (898275637959).

2000120120121 is a wasteful number, since it uses less digits than its factorization.

2000120120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212453.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2000120120121 its reverse (1210210210002), we get a palindrome (3210330330123).

The spelling of 2000120120121 in words is "two trillion, one hundred twenty million, one hundred twenty thousand, one hundred twenty-one".