11101201101 has 24 divisors (see below), whose sum is σ = 16208449920. Its totient is φ = 7320980736.

The previous prime is 11101201099. The next prime is 11101201103. The reversal of 11101201101 is 10110210111.

It is an interprime number because it is at equal distance from previous prime (11101201099) and next prime (11101201103).

It is not a de Polignac number, because 11101201101 - 2¹ = 11101201099 is a prime.

It is a super-2 number, since 2×11101201101² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101201103) 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 23 ways as a sum of consecutive naturals, for example, 684381 + ... + 700413.

It is an arithmetic number, because the mean of its divisors is an integer number (675352080).

Almost surely, 2^11101201101 is an apocalyptic number.

It is an amenable number.

11101201101 is a deficient number, since it is larger than the sum of its proper divisors (5107248819).

11101201101 is a wasteful number, since it uses less digits than its factorization.

11101201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16865 (or 16862 counting only the distinct ones).

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

Adding to 11101201101 its reverse (10110210111), we get a palindrome (21211411212).

The spelling of 11101201101 in words is "eleven billion, one hundred one million, two hundred one thousand, one hundred one".