11011012100999 has 2 divisors, whose sum is σ = 11011012101000. Its totient is φ = 11011012100998.

The previous prime is 11011012100987. The next prime is 11011012101007. The reversal of 11011012100999 is 99900121011011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11011012100999 - 2⁴ = 11011012100983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011012100399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505506050499 + 5505506050500.

It is an arithmetic number, because the mean of its divisors is an integer number (5505506050500).

Almost surely, 2^{11011012100999} is an apocalyptic number.

11011012100999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011012100999 is an equidigital number, since it uses as much as digits as its factorization.

11011012100999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 35.

The spelling of 11011012100999 in words is "eleven trillion, eleven billion, twelve million, one hundred thousand, nine hundred ninety-nine".