11020020109993 has 2 divisors, whose sum is σ = 11020020109994. Its totient is φ = 11020020109992.

The previous prime is 11020020109991. The next prime is 11020020110027. The reversal of 11020020109993 is 39990102002011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10970218385424 + 49801724569 = 3312132^2 + 223163^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020020109993 - 2¹ = 11020020109991 is a prime.

Together with 11020020109991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11020020109991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510010054996 + 5510010054997.

It is an arithmetic number, because the mean of its divisors is an integer number (5510010054997).

Almost surely, 2^{11020020109993} is an apocalyptic number.

It is an amenable number.

11020020109993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020020109993 is an equidigital number, since it uses as much as digits as its factorization.

11020020109993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 37.

The spelling of 11020020109993 in words is "eleven trillion, twenty billion, twenty million, one hundred nine thousand, nine hundred ninety-three".