201120100111 has 32 divisors (see below), whose sum is σ = 235945472000. Its totient is φ = 171359828640.

The previous prime is 201120100039. The next prime is 201120100121. The reversal of 201120100111 is 111001021102.

It is not a de Polignac number, because 201120100111 - 2³⁵ = 166760361743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120100121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65702521 + ... + 65705581.

It is an arithmetic number, because the mean of its divisors is an integer number (7373296000).

Almost surely, 2^201120100111 is an apocalyptic number.

201120100111 is a deficient number, since it is larger than the sum of its proper divisors (34825371889).

201120100111 is an equidigital number, since it uses as much as digits as its factorization.

201120100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 4150 counting only the distinct ones).

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

Adding to 201120100111 its reverse (111001021102), we get a palindrome (312121121213).

The spelling of 201120100111 in words is "two hundred one billion, one hundred twenty million, one hundred thousand, one hundred eleven".