11111010012111 has 8 divisors (see below), whose sum is σ = 15159207458560. Its totient is φ = 7235076286872.

The previous prime is 11111010011963. The next prime is 11111010012127. The reversal of 11111010012111 is 11121001011111.

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

It is not a de Polignac number, because 11111010012111 - 2¹⁴ = 11111009995727 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 (11111010012161) 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, 43065930151 + ... + 43065930408.

It is an arithmetic number, because the mean of its divisors is an integer number (1894900932320).

Almost surely, 2^{11111010012111} is an apocalyptic number.

11111010012111 is a deficient number, since it is larger than the sum of its proper divisors (4048197446449).

11111010012111 is an equidigital number, since it uses as much as digits as its factorization.

11111010012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86131860605.

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

Adding to 11111010012111 its reverse (11121001011111), we get a palindrome (22232011023222).

The spelling of 11111010012111 in words is "eleven trillion, one hundred eleven billion, ten million, twelve thousand, one hundred eleven".