201113103121 has 8 divisors (see below), whose sum is σ = 229875442880. Its totient is φ = 172358737488.

The previous prime is 201113103109. The next prime is 201113103151. The reversal of 201113103121 is 121301311102.

It is a happy number.

201113103121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 201113103121 - 2³³ = 192523168529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201113103095 and 201113103104.

It is not an unprimeable number, because it can be changed into a prime (201113103151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939386 + ... + 2040451.

It is an arithmetic number, because the mean of its divisors is an integer number (28734430360).

Almost surely, 2^201113103121 is an apocalyptic number.

It is an amenable number.

201113103121 is a deficient number, since it is larger than the sum of its proper divisors (28762339759).

201113103121 is an equidigital number, since it uses as much as digits as its factorization.

201113103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987063.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 201113103121 its reverse (121301311102), we get a palindrome (322414414223).

The spelling of 201113103121 in words is "two hundred one billion, one hundred thirteen million, one hundred three thousand, one hundred twenty-one".