11101112120201 has 4 divisors (see below), whose sum is σ = 11101124230404. Its totient is φ = 11101100010000.

The previous prime is 11101112120179. The next prime is 11101112120251. The reversal of 11101112120201 is 10202121110111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8055123804025 + 3045988316176 = 2838155^2 + 1745276^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101112120201 - 2¹⁰ = 11101112119177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101112120251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4556450 + ... + 6554651.

It is an arithmetic number, because the mean of its divisors is an integer number (2775281057601).

Almost surely, 2^{11101112120201} is an apocalyptic number.

It is an amenable number.

11101112120201 is a deficient number, since it is larger than the sum of its proper divisors (12110203).

11101112120201 is an equidigital number, since it uses as much as digits as its factorization.

11101112120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12110202.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11101112120201 its reverse (10202121110111), we get a palindrome (21303233230312).

The spelling of 11101112120201 in words is "eleven trillion, one hundred one billion, one hundred twelve million, one hundred twenty thousand, two hundred one".