201101102010111 has 4 divisors (see below), whose sum is σ = 268134802680152. Its totient is φ = 134067401340072.

The previous prime is 201101102010103. The next prime is 201101102010139. The reversal of 201101102010111 is 111010201101102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201101102010111 - 2³ = 201101102010103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101102010311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33516850335016 + ... + 33516850335021.

It is an arithmetic number, because the mean of its divisors is an integer number (67033700670038).

Almost surely, 2^{201101102010111} is an apocalyptic number.

201101102010111 is a deficient number, since it is larger than the sum of its proper divisors (67033700670041).

201101102010111 is an equidigital number, since it uses as much as digits as its factorization.

201101102010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67033700670040.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 201101102010111 its reverse (111010201101102), we get a palindrome (312111303111213).

Subtracting from 201101102010111 its reverse (111010201101102), we obtain a palindrome (90090900909009).

The spelling of 201101102010111 in words is "two hundred one trillion, one hundred one billion, one hundred two million, ten thousand, one hundred eleven".