1100111201111 has 8 divisors (see below), whose sum is σ = 1186195983504. Its totient is φ = 1014235110720.

The previous prime is 1100111201107. The next prime is 1100111201113. The reversal of 1100111201111 is 1111021110011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100111201111 - 2² = 1100111201107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100111201092 and 1100111201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100111201113) 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, 52162046 + ... + 52183131.

It is an arithmetic number, because the mean of its divisors is an integer number (148274497938).

Almost surely, 2^{1100111201111} is an apocalyptic number.

1100111201111 is a deficient number, since it is larger than the sum of its proper divisors (86084782393).

1100111201111 is a wasteful number, since it uses less digits than its factorization.

1100111201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104346001.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1100111201111 its reverse (1111021110011), we get a palindrome (2211132311122).

The spelling of 1100111201111 in words is "one trillion, one hundred billion, one hundred eleven million, two hundred one thousand, one hundred eleven".