111111050010101 has 16 divisors (see below), whose sum is σ = 112078633675008. Its totient is φ = 110147265504000.

The previous prime is 111111050009989. The next prime is 111111050010109. The reversal of 111111050010101 is 101010050111111.

It is a cyclic number.

It is not a de Polignac number, because 111111050010101 - 2²² = 111111045815797 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 (111111050010109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184164191 + ... + 184766531.

It is an arithmetic number, because the mean of its divisors is an integer number (7004914604688).

Almost surely, 2^{111111050010101} is an apocalyptic number.

It is an amenable number.

111111050010101 is a deficient number, since it is larger than the sum of its proper divisors (967583664907).

111111050010101 is a wasteful number, since it uses less digits than its factorization.

111111050010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605492.

The product of its (nonzero) digits is 5, while the sum is 14.

The spelling of 111111050010101 in words is "one hundred eleven trillion, one hundred eleven billion, fifty million, ten thousand, one hundred one".