1111122101105 has 8 divisors (see below), whose sum is σ = 1333435756392. Its totient is φ = 888838190848.

The previous prime is 1111122101057. The next prime is 1111122101107. The reversal of 1111122101105 is 5011012211111.

It can be written as a sum of positive squares in 4 ways, for example, as 25776944704 + 1085345156401 = 160552^2 + 1041799^2 .

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 1111122101105 - 2¹⁸ = 1111121838961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111122101107) 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, 7353992 + ... + 7503561.

It is an arithmetic number, because the mean of its divisors is an integer number (166679469549).

Almost surely, 2^{1111122101105} is an apocalyptic number.

It is an amenable number.

1111122101105 is a deficient number, since it is larger than the sum of its proper divisors (222313655287).

1111122101105 is a wasteful number, since it uses less digits than its factorization.

1111122101105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14872515.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 1111122101105 its reverse (5011012211111), we get a palindrome (6122134312216).

The spelling of 1111122101105 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred one thousand, one hundred five".