111311101 has 12 divisors (see below), whose sum is σ = 128162304. Its totient is φ = 95862600.

The previous prime is 111311029. The next prime is 111311131. The reversal of 111311101 is 101113111.

It is not a de Polignac number, because 111311101 - 2⁷ = 111310973 is a prime.

It is a super-2 number, since 2×111311101² = 24780322411664402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111311131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10045 + ... + 17986.

It is an arithmetic number, because the mean of its divisors is an integer number (10680192).

Almost surely, 2^111311101 is an apocalyptic number.

111311101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111311101 is a deficient number, since it is larger than the sum of its proper divisors (16851203).

111311101 is a wasteful number, since it uses less digits than its factorization.

111311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28080 (or 28061 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 10.

The square root of 111311101 is about 10550.4076224571. The cubic root of 111311101 is about 481.0381192208.

Adding to 111311101 its reverse (101113111), we get a palindrome (212424212).

The spelling of 111311101 in words is "one hundred eleven million, three hundred eleven thousand, one hundred one".