20033121310211 has 16 divisors (see below), whose sum is σ = 21625642440000. Its totient is φ = 18500768297088.

The previous prime is 20033121310207. The next prime is 20033121310261. The reversal of 20033121310211 is 11201312133002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20033121310211 - 2² = 20033121310207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033121310261) 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 15 ways as a sum of consecutive naturals, for example, 21385025 + ... + 22302141.

It is an arithmetic number, because the mean of its divisors is an integer number (1351602652500).

Almost surely, 2^{20033121310211} is an apocalyptic number.

20033121310211 is a deficient number, since it is larger than the sum of its proper divisors (1592521129789).

20033121310211 is a wasteful number, since it uses less digits than its factorization.

20033121310211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949918.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20033121310211 its reverse (11201312133002), we get a palindrome (31234433443213).

The spelling of 20033121310211 in words is "twenty trillion, thirty-three billion, one hundred twenty-one million, three hundred ten thousand, two hundred eleven".