1111122100111 has 8 divisors (see below), whose sum is σ = 1116940414304. Its totient is φ = 1105304417280.

The previous prime is 1111122100097. The next prime is 1111122100157. The reversal of 1111122100111 is 1110012211111.

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 1111122100111 - 2⁵ = 1111122100079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111122100091 and 1111122100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111122106111) 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, 3605251 + ... + 3901291.

It is an arithmetic number, because the mean of its divisors is an integer number (139617551788).

Almost surely, 2^{1111122100111} is an apocalyptic number.

1111122100111 is a deficient number, since it is larger than the sum of its proper divisors (5818314193).

1111122100111 is a wasteful number, since it uses less digits than its factorization.

1111122100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315681.

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

Adding to 1111122100111 its reverse (1110012211111), we get a palindrome (2221134311222).

The spelling of 1111122100111 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred thousand, one hundred eleven".