2011111120099 has 2 divisors, whose sum is σ = 2011111120100. Its totient is φ = 2011111120098.

The previous prime is 2011111120093. The next prime is 2011111120111. The reversal of 2011111120099 is 9900211111102.

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-2011111120099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011111120093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005555560049 + 1005555560050.

It is an arithmetic number, because the mean of its divisors is an integer number (1005555560050).

Almost surely, 2^{2011111120099} is an apocalyptic number.

2011111120099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011111120099 is an equidigital number, since it uses as much as digits as its factorization.

2011111120099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 2011111120099 in words is "two trillion, eleven billion, one hundred eleven million, one hundred twenty thousand, ninety-nine".