111222112110101 has 32 divisors (see below), whose sum is σ = 118452298199040. Its totient is φ = 104205151969600.

The previous prime is 111222112110097. The next prime is 111222112110113. The reversal of 111222112110101 is 101011211222111.

It is a cyclic number.

It is not a de Polignac number, because 111222112110101 - 2² = 111222112110097 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 111222112110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222112110181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451979186 + ... + 452225196.

It is an arithmetic number, because the mean of its divisors is an integer number (3701634318720).

Almost surely, 2^{111222112110101} is an apocalyptic number.

It is an amenable number.

111222112110101 is a deficient number, since it is larger than the sum of its proper divisors (7230186088939).

111222112110101 is a wasteful number, since it uses less digits than its factorization.

111222112110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247297.

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

Adding to 111222112110101 its reverse (101011211222111), we get a palindrome (212233323332212).

The spelling of 111222112110101 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twelve million, one hundred ten thousand, one hundred one".