122020000811 has 2 divisors, whose sum is σ = 122020000812. Its totient is φ = 122020000810.

The previous prime is 122020000789. The next prime is 122020000847. The reversal of 122020000811 is 118000020221.

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-122020000811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122020000811.

It is not a weakly prime, because it can be changed into another prime (122020008811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010000405 + 61010000406.

It is an arithmetic number, because the mean of its divisors is an integer number (61010000406).

Almost surely, 2^122020000811 is an apocalyptic number.

122020000811 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020000811 is an equidigital number, since it uses as much as digits as its factorization.

122020000811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

The spelling of 122020000811 in words is "one hundred twenty-two billion, twenty million, eight hundred eleven", and thus it is an aban number.