111220452430 has 16 divisors (see below), whose sum is σ = 206654776704. Its totient is φ = 43053078240.

The previous prime is 111220452349. The next prime is 111220452449. The reversal of 111220452430 is 34254022111.

It is a junction number, because it is equal to n+sod(n) for n = 111220452395 and 111220452404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179387517 + ... + 179388136.

It is an arithmetic number, because the mean of its divisors is an integer number (12915923544).

Almost surely, 2^111220452430 is an apocalyptic number.

111220452430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111220452430 is a deficient number, since it is larger than the sum of its proper divisors (95434324274).

111220452430 is a wasteful number, since it uses less digits than its factorization.

111220452430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358775691.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 111220452430 its reverse (34254022111), we get a palindrome (145474474541).

The spelling of 111220452430 in words is "one hundred eleven billion, two hundred twenty million, four hundred fifty-two thousand, four hundred thirty".