111122211430 has 16 divisors (see below), whose sum is σ = 201458975760. Its totient is φ = 44129107872.

The previous prime is 111122211427. The next prime is 111122211451. The reversal of 111122211430 is 34112221111.

It is a junction number, because it is equal to n+sod(n) for n = 111122211398 and 111122211407.

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, 39970629 + ... + 39973408.

It is an arithmetic number, because the mean of its divisors is an integer number (12591185985).

Almost surely, 2^111122211430 is an apocalyptic number.

111122211430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111122211430 is a deficient number, since it is larger than the sum of its proper divisors (90336764330).

111122211430 is a wasteful number, since it uses less digits than its factorization.

111122211430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79944183.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111122211430 its reverse (34112221111), we get a palindrome (145234432541).

The spelling of 111122211430 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred eleven thousand, four hundred thirty".