11101100099989 has 2 divisors, whose sum is σ = 11101100099990. Its totient is φ = 11101100099988.

The previous prime is 11101100099981. The next prime is 11101100100071. The reversal of 11101100099989 is 98999000110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8831684394225 + 2269415705764 = 2971815^2 + 1506458^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101100099989 - 2³ = 11101100099981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101100099981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550550049994 + 5550550049995.

It is an arithmetic number, because the mean of its divisors is an integer number (5550550049995).

Almost surely, 2^{11101100099989} is an apocalyptic number.

It is an amenable number.

11101100099989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101100099989 is an equidigital number, since it uses as much as digits as its factorization.

11101100099989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 49.

The spelling of 11101100099989 in words is "eleven trillion, one hundred one billion, one hundred million, ninety-nine thousand, nine hundred eighty-nine".