1112111101211 has 4 divisors (see below), whose sum is σ = 1213212110424. Its totient is φ = 1011010092000.

The previous prime is 1112111101201. The next prime is 1112111101217. The reversal of 1112111101211 is 1121011112111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1112111101211 - 2³⁰ = 1111037359387 is a prime.

It is a super-2 number, since 2×1112111101211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112111101217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50550504590 + ... + 50550504611.

It is an arithmetic number, because the mean of its divisors is an integer number (303303027606).

Almost surely, 2^{1112111101211} is an apocalyptic number.

1112111101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112111101211 is a deficient number, since it is larger than the sum of its proper divisors (101101009213).

1112111101211 is a wasteful number, since it uses less digits than its factorization.

1112111101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101101009212.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 1112111101211 its reverse (1121011112111), we get a palindrome (2233122213322).

The spelling of 1112111101211 in words is "one trillion, one hundred twelve billion, one hundred eleven million, one hundred one thousand, two hundred eleven".