111424201420 has 48 divisors (see below), whose sum is σ = 269871497280. Its totient is φ = 37852095744.

The previous prime is 111424201417. The next prime is 111424201423. The reversal of 111424201420 is 24102424111.

It is an interprime number because it is at equal distance from previous prime (111424201417) and next prime (111424201423).

It is a junction number, because it is equal to n+sod(n) for n = 111424201391 and 111424201400.

It is not an unprimeable number, because it can be changed into a prime (111424201423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3635599 + ... + 3666118.

It is an arithmetic number, because the mean of its divisors is an integer number (5622322860).

Almost surely, 2^111424201420 is an apocalyptic number.

111424201420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111424201420 is an abundant number, since it is smaller than the sum of its proper divisors (158447295860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111424201420 is a wasteful number, since it uses less digits than its factorization.

111424201420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7301842 (or 7301840 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 111424201420 its reverse (24102424111), we get a palindrome (135526625531).

The spelling of 111424201420 in words is "one hundred eleven billion, four hundred twenty-four million, two hundred one thousand, four hundred twenty".