2050533322121 has 4 divisors (see below), whose sum is σ = 2050550891412. Its totient is φ = 2050515752832.

The previous prime is 2050533322067. The next prime is 2050533322153. The reversal of 2050533322121 is 1212233350502.

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 527382416521 + 1523150905600 = 726211^2 + 1234160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2050533322121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2050533324121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8608400 + ... + 8843393.

It is an arithmetic number, because the mean of its divisors is an integer number (512637722853).

Almost surely, 2^{2050533322121} is an apocalyptic number.

It is an amenable number.

2050533322121 is a deficient number, since it is larger than the sum of its proper divisors (17569291).

2050533322121 is a wasteful number, since it uses less digits than its factorization.

2050533322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17569290.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 2050533322121 its reverse (1212233350502), we get a palindrome (3262766672623).

The spelling of 2050533322121 in words is "two trillion, fifty billion, five hundred thirty-three million, three hundred twenty-two thousand, one hundred twenty-one".