111122112222101 has 4 divisors (see below), whose sum is σ = 112200967680672. Its totient is φ = 110043256763532.

The previous prime is 111122112222073. The next prime is 111122112222157. The reversal of 111122112222101 is 101222211221111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111122112222101 - 2¹⁴ = 111122112205717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122112222181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539427729131 + ... + 539427729336.

It is an arithmetic number, because the mean of its divisors is an integer number (28050241920168).

Almost surely, 2^{111122112222101} is an apocalyptic number.

It is an amenable number.

111122112222101 is a deficient number, since it is larger than the sum of its proper divisors (1078855458571).

111122112222101 is a wasteful number, since it uses less digits than its factorization.

111122112222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078855458570.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111122112222101 its reverse (101222211221111), we get a palindrome (212344323443212).

The spelling of 111122112222101 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred one".