101330220811 has 2 divisors, whose sum is σ = 101330220812. Its totient is φ = 101330220810.

The previous prime is 101330220793. The next prime is 101330220877. The reversal of 101330220811 is 118022033101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101330220811 is a prime.

It is not a weakly prime, because it can be changed into another prime (101330230811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50665110405 + 50665110406.

It is an arithmetic number, because the mean of its divisors is an integer number (50665110406).

Almost surely, 2^101330220811 is an apocalyptic number.

101330220811 is a deficient number, since it is larger than the sum of its proper divisors (1).

101330220811 is an equidigital number, since it uses as much as digits as its factorization.

101330220811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 101330220811 its reverse (118022033101), we get a palindrome (219352253912).

The spelling of 101330220811 in words is "one hundred one billion, three hundred thirty million, two hundred twenty thousand, eight hundred eleven".