121330311 has 8 divisors (see below), whose sum is σ = 166992384. Its totient is φ = 78277560.

The previous prime is 121330283. The next prime is 121330327. The reversal of 121330311 is 113033121.

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

It is not a de Polignac number, because 121330311 - 2¹⁰ = 121329287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330331) 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, 652221 + ... + 652406.

It is an arithmetic number, because the mean of its divisors is an integer number (20874048).

Almost surely, 2^121330311 is an apocalyptic number.

121330311 is a deficient number, since it is larger than the sum of its proper divisors (45662073).

121330311 is a wasteful number, since it uses less digits than its factorization.

121330311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304661.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 121330311 is about 11015.0039037669. The cubic root of 121330311 is about 495.0584034752.

Adding to 121330311 its reverse (113033121), we get a palindrome (234363432).

The spelling of 121330311 in words is "one hundred twenty-one million, three hundred thirty thousand, three hundred eleven".