112212212155 has 8 divisors (see below), whose sum is σ = 135558378000. Its totient is φ = 89167287456.

The previous prime is 112212212117. The next prime is 112212212191. The reversal of 112212212155 is 551212212211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112212212155 is a prime.

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, 75309465 + ... + 75310954.

It is an arithmetic number, because the mean of its divisors is an integer number (16944797250).

Almost surely, 2^112212212155 is an apocalyptic number.

112212212155 is a deficient number, since it is larger than the sum of its proper divisors (23346165845).

112212212155 is a wasteful number, since it uses less digits than its factorization.

112212212155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150620573.

The product of its digits is 800, while the sum is 25.

Adding to 112212212155 its reverse (551212212211), we get a palindrome (663424424366).

The spelling of 112212212155 in words is "one hundred twelve billion, two hundred twelve million, two hundred twelve thousand, one hundred fifty-five".