121330411 has 4 divisors (see below), whose sum is σ = 128467512. Its totient is φ = 114193312.

The previous prime is 121330397. The next prime is 121330423. The reversal of 121330411 is 114033121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114033121 = 953 ⋅119657.

It is a cyclic number.

It is not a de Polignac number, because 121330411 - 2⁷ = 121330283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121330211) 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, 3568525 + ... + 3568558.

It is an arithmetic number, because the mean of its divisors is an integer number (32116878).

Almost surely, 2^121330411 is an apocalyptic number.

121330411 is a deficient number, since it is larger than the sum of its proper divisors (7137101).

121330411 is an equidigital number, since it uses as much as digits as its factorization.

121330411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137100.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 121330411 is about 11015.0084430290. The cubic root of 121330411 is about 495.0585394836.

Adding to 121330411 its reverse (114033121), we get a palindrome (235363532).

The spelling of 121330411 in words is "one hundred twenty-one million, three hundred thirty thousand, four hundred eleven".