102031220102011 has 2 divisors, whose sum is σ = 102031220102012. Its totient is φ = 102031220102010.

The previous prime is 102031220101999. The next prime is 102031220102017. The reversal of 102031220102011 is 110201022130201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102031220102011 - 2¹⁹ = 102031219577723 is a prime.

It is not a weakly prime, because it can be changed into another prime (102031220102017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51015610051005 + 51015610051006.

It is an arithmetic number, because the mean of its divisors is an integer number (51015610051006).

Almost surely, 2^{102031220102011} is an apocalyptic number.

102031220102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102031220102011 is an equidigital number, since it uses as much as digits as its factorization.

102031220102011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102031220102011 its reverse (110201022130201), we get a palindrome (212232242232212).

The spelling of 102031220102011 in words is "one hundred two trillion, thirty-one billion, two hundred twenty million, one hundred two thousand, eleven".