111222121330 has 16 divisors (see below), whose sum is σ = 200205615384. Its totient is φ = 44487560320.

The previous prime is 111222121313. The next prime is 111222121349. The reversal of 111222121330 is 33121222111.

It can be written as a sum of positive squares in 4 ways, for example, as 69431723001 + 41790398329 = 263499^2 + 204427^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111222121298 and 111222121307.

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, 252054 + ... + 534766.

Almost surely, 2^111222121330 is an apocalyptic number.

111222121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111222121330 is a deficient number, since it is larger than the sum of its proper divisors (88983494054).

111222121330 is a wasteful number, since it uses less digits than its factorization.

111222121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322061.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111222121330 its reverse (33121222111), we get a palindrome (144343343441).

The spelling of 111222121330 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred twenty-one thousand, three hundred thirty".