1100212112111 has 16 divisors (see below), whose sum is σ = 1275292988928. Its totient is φ = 929612292000.

The previous prime is 1100212112099. The next prime is 1100212112137. The reversal of 1100212112111 is 1112112120011.

It is not a de Polignac number, because 1100212112111 - 2³⁰ = 1099138370287 is a prime.

It is a super-3 number, since 3×1100212112111³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100212112171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3093161 + ... + 3430461.

It is an arithmetic number, because the mean of its divisors is an integer number (79705811808).

Almost surely, 2^{1100212112111} is an apocalyptic number.

1100212112111 is a deficient number, since it is larger than the sum of its proper divisors (175080876817).

1100212112111 is an equidigital number, since it uses as much as digits as its factorization.

1100212112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343942.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1100212112111 its reverse (1112112120011), we get a palindrome (2212324232122).

The spelling of 1100212112111 in words is "one trillion, one hundred billion, two hundred twelve million, one hundred twelve thousand, one hundred eleven".