201120111001 has 8 divisors (see below), whose sum is σ = 206785732608. Its totient is φ = 195490692000.

The previous prime is 201120110987. The next prime is 201120111029. The reversal of 201120111001 is 100111021102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201120111001 - 2¹¹ = 201120108953 is a prime.

It is a super-2 number, since 2×201120111001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201120111601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9039385 + ... + 9061606.

It is an arithmetic number, because the mean of its divisors is an integer number (25848216576).

Almost surely, 2^201120111001 is an apocalyptic number.

It is an amenable number.

201120111001 is a deficient number, since it is larger than the sum of its proper divisors (5665621607).

201120111001 is a wasteful number, since it uses less digits than its factorization.

201120111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18101303.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201120111001 its reverse (100111021102), we get a palindrome (301231132103).

It can be divided in two parts, 2011201 and 11001, that added together give a palindrome (2022202).

The spelling of 201120111001 in words is "two hundred one billion, one hundred twenty million, one hundred eleven thousand, one".