112213155 has 16 divisors (see below), whose sum is σ = 179704224. Its totient is φ = 59792640.

The previous prime is 112213109. The next prime is 112213169. The reversal of 112213155 is 551312211.

It is not a de Polignac number, because 112213155 - 2⁶ = 112213091 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 18007 + ... + 23423.

It is an arithmetic number, because the mean of its divisors is an integer number (11231514).

Almost surely, 2^112213155 is an apocalyptic number.

112213155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112213155 is a deficient number, since it is larger than the sum of its proper divisors (67491069).

112213155 is a wasteful number, since it uses less digits than its factorization.

112213155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806.

The product of its digits is 300, while the sum is 21.

The square root of 112213155 is about 10593.0710844401. The cubic root of 112213155 is about 482.3340530201.

Adding to 112213155 its reverse (551312211), we get a palindrome (663525366).

The spelling of 112213155 in words is "one hundred twelve million, two hundred thirteen thousand, one hundred fifty-five".