20102111331151 has 2 divisors, whose sum is σ = 20102111331152. Its totient is φ = 20102111331150.

The previous prime is 20102111331073. The next prime is 20102111331167. The reversal of 20102111331151 is 15113311120102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102111331151 - 2¹¹ = 20102111329103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102111331451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051055665575 + 10051055665576.

It is an arithmetic number, because the mean of its divisors is an integer number (10051055665576).

Almost surely, 2^{20102111331151} is an apocalyptic number.

20102111331151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102111331151 is an equidigital number, since it uses as much as digits as its factorization.

20102111331151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 20102111331151 its reverse (15113311120102), we get a palindrome (35215422451253).

The spelling of 20102111331151 in words is "twenty trillion, one hundred two billion, one hundred eleven million, three hundred thirty-one thousand, one hundred fifty-one".