2000203344121 has 4 divisors (see below), whose sum is σ = 2010567092212. Its totient is φ = 1989839596032.

The previous prime is 2000203344107. The next prime is 2000203344133. The reversal of 2000203344121 is 1214433020002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 277796460096 + 1722406884025 = 527064^2 + 1312405^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000203344121 - 2¹³ = 2000203335929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000203344092 and 2000203344101.

It is not an unprimeable number, because it can be changed into a prime (2000203342121) 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 3 ways as a sum of consecutive naturals, for example, 5181873756 + ... + 5181874141.

It is an arithmetic number, because the mean of its divisors is an integer number (502641773053).

Almost surely, 2^{2000203344121} is an apocalyptic number.

It is an amenable number.

2000203344121 is a deficient number, since it is larger than the sum of its proper divisors (10363748091).

2000203344121 is a wasteful number, since it uses less digits than its factorization.

2000203344121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10363748090.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2000203344121 its reverse (1214433020002), we get a palindrome (3214636364123).

The spelling of 2000203344121 in words is "two trillion, two hundred three million, three hundred forty-four thousand, one hundred twenty-one".