111111050611111 has 4 divisors (see below), whose sum is σ = 111112044054192. Its totient is φ = 111110057168032.

The previous prime is 111111050611073. The next prime is 111111050611117. The reversal of 111111050611111 is 111116050111111.

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 111111050611111 - 2³⁷ = 110973611657639 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 (111111050611117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496553755 + ... + 496777468.

It is an arithmetic number, because the mean of its divisors is an integer number (27778011013548).

Almost surely, 2^{111111050611111} is an apocalyptic number.

111111050611111 is a deficient number, since it is larger than the sum of its proper divisors (993443081).

111111050611111 is an equidigital number, since it uses as much as digits as its factorization.

111111050611111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993443080.

The product of its (nonzero) digits is 30, while the sum is 22.

The spelling of 111111050611111 in words is "one hundred eleven trillion, one hundred eleven billion, fifty million, six hundred eleven thousand, one hundred eleven".