106501111 has 4 divisors (see below), whose sum is σ = 106522000. Its totient is φ = 106480224.

The previous prime is 106501097. The next prime is 106501121. The reversal of 106501111 is 111105601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111105601 = 167 ⋅665303.

It is a cyclic number.

It is not a de Polignac number, because 106501111 - 2⁹ = 106500599 is a prime.

It is a super-2 number, since 2×106501111² = 22684973288468642, 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 (106501121) 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, 2815 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (26630500).

Almost surely, 2^106501111 is an apocalyptic number.

106501111 is a deficient number, since it is larger than the sum of its proper divisors (20889).

106501111 is an equidigital number, since it uses as much as digits as its factorization.

106501111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20888.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 106501111 is about 10319.9375482606. The cubic root of 106501111 is about 474.0069536150.

Adding to 106501111 its reverse (111105601), we get a palindrome (217606712).

The spelling of 106501111 in words is "one hundred six million, five hundred one thousand, one hundred eleven".