111122111101 has 8 divisors (see below), whose sum is σ = 111231493344. Its totient is φ = 111012768720.

The previous prime is 111122111071. The next prime is 111122111117. The reversal of 111122111101 is 101111221111.

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 111122111101 - 2¹⁹ = 111121586813 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 (111122811101) 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, 10465071 + ... + 10475683.

It is an arithmetic number, because the mean of its divisors is an integer number (13903936668).

Almost surely, 2^111122111101 is an apocalyptic number.

It is an amenable number.

111122111101 is a deficient number, since it is larger than the sum of its proper divisors (109382243).

111122111101 is a wasteful number, since it uses less digits than its factorization.

111122111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19931.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111122111101 its reverse (101111221111), we get a palindrome (212233332212).

The spelling of 111122111101 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred one".