112221011101211 has 8 divisors (see below), whose sum is σ = 113565549256704. Its totient is φ = 110881949680360.

The previous prime is 112221011101207. The next prime is 112221011101223. The reversal of 112221011101211 is 112101110122211.

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

It is a cyclic number.

It is not a de Polignac number, because 112221011101211 - 2² = 112221011101207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112221011101211.

It is not an unprimeable number, because it can be changed into a prime (112221011101411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369142435 + ... + 1369224396.

It is an arithmetic number, because the mean of its divisors is an integer number (14195693657088).

Almost surely, 2^{112221011101211} is an apocalyptic number.

112221011101211 is a deficient number, since it is larger than the sum of its proper divisors (1344538155493).

112221011101211 is a wasteful number, since it uses less digits than its factorization.

112221011101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738367321.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112221011101211 its reverse (112101110122211), we get a palindrome (224322121223422).

It can be divided in two parts, 11 and 2221011101211, that added together give a palindrome (2221011101222).

The spelling of 112221011101211 in words is "one hundred twelve trillion, two hundred twenty-one billion, eleven million, one hundred one thousand, two hundred eleven".