11101201011 has 16 divisors (see below), whose sum is σ = 16448637600. Its totient is φ = 7399714464.

The previous prime is 11101200883. The next prime is 11101201037. The reversal of 11101201011 is 11010210111.

It is not a de Polignac number, because 11101201011 - 2⁷ = 11101200883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11101200984 and 11101201002.

It is not an unprimeable number, because it can be changed into a prime (11101203011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185125 + ... + 237641.

It is an arithmetic number, because the mean of its divisors is an integer number (1028039850).

Almost surely, 2^11101201011 is an apocalyptic number.

11101201011 is a deficient number, since it is larger than the sum of its proper divisors (5347436589).

11101201011 is an equidigital number, since it uses as much as digits as its factorization.

11101201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60355 (or 60349 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11101201011 its reverse (11010210111), we get a palindrome (22111411122).

The spelling of 11101201011 in words is "eleven billion, one hundred one million, two hundred one thousand, eleven".