11420030343121 has 8 divisors (see below), whose sum is σ = 11729473977920. Its totient is φ = 11110628506608.

The previous prime is 11420030343089. The next prime is 11420030343179. The reversal of 11420030343121 is 12134303002411.

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 11420030343121 - 2⁵ = 11420030343089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11420030343181) 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, 9895341 + ... + 10988986.

It is an arithmetic number, because the mean of its divisors is an integer number (1466184247240).

Almost surely, 2^{11420030343121} is an apocalyptic number.

It is an amenable number.

11420030343121 is a deficient number, since it is larger than the sum of its proper divisors (309443634799).

11420030343121 is a wasteful number, since it uses less digits than its factorization.

11420030343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20899143.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11420030343121 its reverse (12134303002411), we get a palindrome (23554333345532).

The spelling of 11420030343121 in words is "eleven trillion, four hundred twenty billion, thirty million, three hundred forty-three thousand, one hundred twenty-one".