20112311012333 has 2 divisors, whose sum is σ = 20112311012334. Its totient is φ = 20112311012332.

The previous prime is 20112311012323. The next prime is 20112311012399. The reversal of 20112311012333 is 33321011321102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11967434522404 + 8144876489929 = 3459398^2 + 2853923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112311012333 is a prime.

It is a super-2 number, since 2×20112311012333² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112311012299 and 20112311012308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112311012323) 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 as a sum of consecutive naturals, namely, 10056155506166 + 10056155506167.

It is an arithmetic number, because the mean of its divisors is an integer number (10056155506167).

Almost surely, 2^{20112311012333} is an apocalyptic number.

It is an amenable number.

20112311012333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112311012333 is an equidigital number, since it uses as much as digits as its factorization.

20112311012333 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20112311012333 its reverse (33321011321102), we get a palindrome (53433322333435).

The spelling of 20112311012333 in words is "twenty trillion, one hundred twelve billion, three hundred eleven million, twelve thousand, three hundred thirty-three".