121330211311 has 8 divisors (see below), whose sum is σ = 121722756480. Its totient is φ = 120938234328.

The previous prime is 121330211287. The next prime is 121330211323. The reversal of 121330211311 is 113112033121.

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 121330211311 - 2¹¹ = 121330209263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330215311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287820 + ... + 570526.

It is an arithmetic number, because the mean of its divisors is an integer number (15215344560).

Almost surely, 2^121330211311 is an apocalyptic number.

121330211311 is a deficient number, since it is larger than the sum of its proper divisors (392545169).

121330211311 is an equidigital number, since it uses as much as digits as its factorization.

121330211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284093.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121330211311 its reverse (113112033121), we get a palindrome (234442244432).

The spelling of 121330211311 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred eleven thousand, three hundred eleven".