101011000000811 has 2 divisors, whose sum is σ = 101011000000812. Its totient is φ = 101011000000810.

The previous prime is 101011000000763. The next prime is 101011000000873. The reversal of 101011000000811 is 118000000110101.

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-101011000000811 is a prime.

It is not a weakly prime, because it can be changed into another prime (101011000008811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505500000405 + 50505500000406.

It is an arithmetic number, because the mean of its divisors is an integer number (50505500000406).

Almost surely, 2^{101011000000811} is an apocalyptic number.

101011000000811 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011000000811 is an equidigital number, since it uses as much as digits as its factorization.

101011000000811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101011000000811 its reverse (118000000110101), we get a palindrome (219011000110912).

The spelling of 101011000000811 in words is "one hundred one trillion, eleven billion, eight hundred eleven", and thus it is an aban number.