111430301421 has 16 divisors (see below), whose sum is σ = 157988548224. Its totient is φ = 69616971264.

The previous prime is 111430301393. The next prime is 111430301429. The reversal of 111430301421 is 124103034111.

It is not a de Polignac number, because 111430301421 - 2⁹ = 111430300909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111430301429) 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 15 ways as a sum of consecutive naturals, for example, 4676761 + ... + 4700526.

It is an arithmetic number, because the mean of its divisors is an integer number (9874284264).

Almost surely, 2^111430301421 is an apocalyptic number.

It is an amenable number.

111430301421 is a deficient number, since it is larger than the sum of its proper divisors (46558246803).

111430301421 is a wasteful number, since it uses less digits than its factorization.

111430301421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377540.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111430301421 its reverse (124103034111), we get a palindrome (235533335532).

The spelling of 111430301421 in words is "one hundred eleven billion, four hundred thirty million, three hundred one thousand, four hundred twenty-one".