9750121111 has 8 divisors (see below), whose sum is σ = 10431537200. Its totient is φ = 9085530240.

The previous prime is 9750121093. The next prime is 9750121123. The reversal of 9750121111 is 1111210579.

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

It is a cyclic number.

It is not a de Polignac number, because 9750121111 - 2⁷ = 9750120983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9750121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9750121141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4205106 + ... + 4207423.

It is an arithmetic number, because the mean of its divisors is an integer number (1303942150).

Almost surely, 2^9750121111 is an apocalyptic number.

9750121111 is a deficient number, since it is larger than the sum of its proper divisors (681416089).

9750121111 is a wasteful number, since it uses less digits than its factorization.

9750121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8412609.

The product of its (nonzero) digits is 630, while the sum is 28.

The square root of 9750121111 is about 98742.7015581405. The cubic root of 9750121111 is about 2136.3381863844.

The spelling of 9750121111 in words is "nine billion, seven hundred fifty million, one hundred twenty-one thousand, one hundred eleven".