1020201005911 has 2 divisors, whose sum is σ = 1020201005912. Its totient is φ = 1020201005910.

The previous prime is 1020201005897. The next prime is 1020201005947. The reversal of 1020201005911 is 1195001020201.

It is a weak prime.

It is an emirp because it is prime and its reverse (1195001020201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020201005911 - 2¹³ = 1020200997719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020201005981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510100502955 + 510100502956.

It is an arithmetic number, because the mean of its divisors is an integer number (510100502956).

Almost surely, 2^{1020201005911} is an apocalyptic number.

1020201005911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020201005911 is an equidigital number, since it uses as much as digits as its factorization.

1020201005911 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.

The spelling of 1020201005911 in words is "one trillion, twenty billion, two hundred one million, five thousand, nine hundred eleven".