10020111113009 has 2 divisors, whose sum is σ = 10020111113010. Its totient is φ = 10020111113008.

The previous prime is 10020111112993. The next prime is 10020111113011. The reversal of 10020111113009 is 90031111102001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9640528206400 + 379582906609 = 3104920^2 + 616103^2 .

It is an emirp because it is prime and its reverse (90031111102001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10020111113009 - 2⁴ = 10020111112993 is a prime.

Together with 10020111113011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10020111113059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010055556504 + 5010055556505.

It is an arithmetic number, because the mean of its divisors is an integer number (5010055556505).

Almost surely, 2^{10020111113009} is an apocalyptic number.

It is an amenable number.

10020111113009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020111113009 is an equidigital number, since it uses as much as digits as its factorization.

10020111113009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 10020111113009 in words is "ten trillion, twenty billion, one hundred eleven million, one hundred thirteen thousand, nine".