20331323111041 has 2 divisors, whose sum is σ = 20331323111042. Its totient is φ = 20331323111040.

The previous prime is 20331323111027. The next prime is 20331323111233. The reversal of 20331323111041 is 14011132313302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13105333976641 + 7225989134400 = 3620129^2 + 2688120^2 .

It is a cyclic number.

It is not a de Polignac number, because 20331323111041 - 2¹⁷ = 20331322979969 is a prime.

It is a super-2 number, since 2×20331323111041² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20331323110997 and 20331323111015.

It is not a weakly prime, because it can be changed into another prime (20331323121041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165661555520 + 10165661555521.

It is an arithmetic number, because the mean of its divisors is an integer number (10165661555521).

Almost surely, 2^{20331323111041} is an apocalyptic number.

It is an amenable number.

20331323111041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331323111041 is an equidigital number, since it uses as much as digits as its factorization.

20331323111041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 20331323111041 its reverse (14011132313302), we get a palindrome (34342455424343).

The spelling of 20331323111041 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred eleven thousand, forty-one".