111222355 has 12 divisors (see below), whose sum is σ = 136049760. Its totient is φ = 87288032.

The previous prime is 111222343. The next prime is 111222383. The reversal of 111222355 is 553222111.

It is not a de Polignac number, because 111222355 - 2¹⁷ = 111091283 is a prime.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10086 + ... + 18004.

It is an arithmetic number, because the mean of its divisors is an integer number (11337480).

Almost surely, 2^111222355 is an apocalyptic number.

111222355 is a deficient number, since it is larger than the sum of its proper divisors (24827405).

111222355 is an frugal number, since it uses more digits than its factorization.

111222355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030 (or 7977 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 111222355 is about 10546.2009747586. The cubic root of 111222355 is about 480.9102447055.

Adding to 111222355 its reverse (553222111), we get a palindrome (664444466).

The spelling of 111222355 in words is "one hundred eleven million, two hundred twenty-two thousand, three hundred fifty-five".