11200120101 has 16 divisors (see below), whose sum is σ = 16997473920. Its totient is φ = 7284630240.

The previous prime is 11200120097. The next prime is 11200120103. The reversal of 11200120101 is 10102100211.

It is a happy number.

It is not a de Polignac number, because 11200120101 - 2² = 11200120097 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 (11200120103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5057665 + ... + 5059878.

It is an arithmetic number, because the mean of its divisors is an integer number (1062342120).

Almost surely, 2^11200120101 is an apocalyptic number.

It is an amenable number.

11200120101 is a deficient number, since it is larger than the sum of its proper divisors (5797353819).

11200120101 is a wasteful number, since it uses less digits than its factorization.

11200120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117593 (or 10117587 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11200120101 its reverse (10102100211), we get a palindrome (21302220312).

The spelling of 11200120101 in words is "eleven billion, two hundred million, one hundred twenty thousand, one hundred one".