20211233301311 has 64 divisors (see below), whose sum is σ = 22359592894464. Its totient is φ = 18156648960000.

The previous prime is 20211233301307. The next prime is 20211233301313. The reversal of 20211233301311 is 11310333211202.

It is a cyclic number.

It is not a de Polignac number, because 20211233301311 - 2² = 20211233301307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211233301313) 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 63 ways as a sum of consecutive naturals, for example, 17559715586 + ... + 17559716736.

It is an arithmetic number, because the mean of its divisors is an integer number (349368638976).

Almost surely, 2^{20211233301311} is an apocalyptic number.

20211233301311 is a deficient number, since it is larger than the sum of its proper divisors (2148359593153).

20211233301311 is a wasteful number, since it uses less digits than its factorization.

20211233301311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20211233301311 its reverse (11310333211202), we get a palindrome (31521566512513).

The spelling of 20211233301311 in words is "twenty trillion, two hundred eleven billion, two hundred thirty-three million, three hundred one thousand, three hundred eleven".