121430011 has 4 divisors (see below), whose sum is σ = 121484224. Its totient is φ = 121375800.

The previous prime is 121430009. The next prime is 121430017. The reversal of 121430011 is 110034121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121430011 - 2¹ = 121430009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121429973 and 121430000.

It is not an unprimeable number, because it can be changed into a prime (121430017) 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, 23595 + ... + 28276.

It is an arithmetic number, because the mean of its divisors is an integer number (30371056).

Almost surely, 2^121430011 is an apocalyptic number.

121430011 is a deficient number, since it is larger than the sum of its proper divisors (54213).

121430011 is an equidigital number, since it uses as much as digits as its factorization.

121430011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54212.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121430011 is about 11019.5286196824. The cubic root of 121430011 is about 495.1939667685.

Adding to 121430011 its reverse (110034121), we get a palindrome (231464132).

The spelling of 121430011 in words is "one hundred twenty-one million, four hundred thirty thousand, eleven".