116220105 has 24 divisors (see below), whose sum is σ = 202218120. Its totient is φ = 61747200.

The previous prime is 116220103. The next prime is 116220119. The reversal of 116220105 is 501022611.

It can be written as a sum of positive squares in 4 ways, for example, as 4769856 + 111450249 = 2184^2 + 10557^2 .

It is not a de Polignac number, because 116220105 - 2¹ = 116220103 is a prime.

It is a super-2 number, since 2×116220105² = 27014225612422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116220101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7305 + ... + 16905.

It is an arithmetic number, because the mean of its divisors is an integer number (8425755).

Almost surely, 2^116220105 is an apocalyptic number.

116220105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116220105 is a deficient number, since it is larger than the sum of its proper divisors (85998015).

116220105 is a wasteful number, since it uses less digits than its factorization.

116220105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881 (or 9878 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 116220105 is about 10780.5428898549. The cubic root of 116220105 is about 488.0081643913.

Adding to 116220105 its reverse (501022611), we get a palindrome (617242716).

The spelling of 116220105 in words is "one hundred sixteen million, two hundred twenty thousand, one hundred five".