111222101110101 has 16 divisors (see below), whose sum is σ = 148412219408640. Its totient is φ = 74090046571200.

The previous prime is 111222101110091. The next prime is 111222101110123. The reversal of 111222101110101 is 101011101222111.

It is not a de Polignac number, because 111222101110101 - 2¹⁴ = 111222101093717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222101110501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18069951 + ... + 23430051.

It is an arithmetic number, because the mean of its divisors is an integer number (9275763713040).

Almost surely, 2^{111222101110101} is an apocalyptic number.

It is an amenable number.

111222101110101 is a deficient number, since it is larger than the sum of its proper divisors (37190118298539).

111222101110101 is a wasteful number, since it uses less digits than its factorization.

111222101110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365516.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111222101110101 its reverse (101011101222111), we get a palindrome (212233202332212).

The spelling of 111222101110101 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred one million, one hundred ten thousand, one hundred one".