1111112001111 has 8 divisors (see below), whose sum is σ = 1693123049344. Its totient is φ = 634921143480.

The previous prime is 1111112001091. The next prime is 1111112001119. The reversal of 1111112001111 is 1111002111111.

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

It is not a de Polignac number, because 1111112001111 - 2¹⁸ = 1111111738967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112001119) 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, 26455047625 + ... + 26455047666.

It is an arithmetic number, because the mean of its divisors is an integer number (211640381168).

Almost surely, 2^{1111112001111} is an apocalyptic number.

1111112001111 is a deficient number, since it is larger than the sum of its proper divisors (582011048233).

1111112001111 is an equidigital number, since it uses as much as digits as its factorization.

1111112001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52910095301.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 1111112001111 its reverse (1111002111111), we get a palindrome (2222114112222).

The spelling of 1111112001111 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one thousand, one hundred eleven".