10111011111111 has 8 divisors (see below), whose sum is σ = 13496017736320. Its totient is φ = 6733339279992.

The previous prime is 10111011111031. The next prime is 10111011111161. The reversal of 10111011111111 is 11111111011101.

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

It is not a de Polignac number, because 10111011111111 - 2⁷ = 10111011110983 is a prime.

It is a Duffinian number.

10111011111111 is a modest number, since divided by 1111111 gives 1011101 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111011111161) 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, 1833695305 + ... + 1833700818.

It is an arithmetic number, because the mean of its divisors is an integer number (1687002217040).

Almost surely, 2^{10111011111111} is an apocalyptic number.

10111011111111 is a deficient number, since it is larger than the sum of its proper divisors (3385006625209).

10111011111111 is an equidigital number, since it uses as much as digits as its factorization.

10111011111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667397045.

The product of its (nonzero) digits is 1, while the sum is 12.

Adding to 10111011111111 its reverse (11111111011101), we get a palindrome (21222122122212).

It can be divided in two parts, 1011101 and 1111111, that multiplied together give a palindrome (1123445443211).

The spelling of 10111011111111 in words is "ten trillion, one hundred eleven billion, eleven million, one hundred eleven thousand, one hundred eleven".