9101121 has 4 divisors (see below), whose sum is σ = 12134832. Its totient is φ = 6067412.

The previous prime is 9101119. The next prime is 9101143. The reversal of 9101121 is 1211019.

9101121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9101121 - 2¹ = 9101119 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9101121.

It is not an unprimeable number, because it can be changed into a prime (9101921) 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, 1516851 + ... + 1516856.

It is an arithmetic number, because the mean of its divisors is an integer number (3033708).

Almost surely, 2^9101121 is an apocalyptic number.

It is an amenable number.

9101121 is a deficient number, since it is larger than the sum of its proper divisors (3033711).

9101121 is a wasteful number, since it uses less digits than its factorization.

9101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033710.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 9101121 is about 3016.8064240186. The cubic root of 9101121 is about 208.7845203289.

The spelling of 9101121 in words is "nine million, one hundred one thousand, one hundred twenty-one".