11101120101 has 48 divisors (see below), whose sum is σ = 17426818240. Its totient is φ = 6785648640.

The previous prime is 11101120097. The next prime is 11101120109. The reversal of 11101120101 is 10102110111.

It is not a de Polignac number, because 11101120101 - 2² = 11101120097 is a prime.

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 (11101120109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1216566 + ... + 1225656.

Almost surely, 2^11101120101 is an apocalyptic number.

It is an amenable number.

11101120101 is a deficient number, since it is larger than the sum of its proper divisors (6325698139).

11101120101 is a wasteful number, since it uses less digits than its factorization.

11101120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346 (or 9343 counting only the distinct ones).

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

Adding to 11101120101 its reverse (10102110111), we get a palindrome (21203230212).

It can be divided in two parts, 1110 and 1120101, that added together give a palindrome (1121211).

The spelling of 11101120101 in words is "eleven billion, one hundred one million, one hundred twenty thousand, one hundred one".