Search a number
-
+
111020112102 = 2318503352017
BaseRepresentation
bin110011101100101010…
…0000111100011100110
3101121120011221001002210
41213121110013203212
53304332122041402
6123000230144250
711010116245134
oct1473124074346
9347504831083
10111020112102
11430a0a60469
12196244b2086
13a613959533
145532888754
152d4b94d06c
hex19d95078e6

111020112102 has 8 divisors (see below), whose sum is σ = 222040224216. Its totient is φ = 37006704032.

The previous prime is 111020112089. The next prime is 111020112113. The reversal of 111020112102 is 201211020111.

It is a sphenic number, since it is the product of 3 distinct primes.

111020112102 is an admirable number.

It is a super-2 number, since 2×1110201121022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9251676003 + ... + 9251676014.

It is an arithmetic number, because the mean of its divisors is an integer number (27755028027).

Almost surely, 2111020112102 is an apocalyptic number.

111020112102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111020112102 is a wasteful number, since it uses less digits than its factorization.

111020112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18503352022.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111020112102 its reverse (201211020111), we get a palindrome (312231132213).

The spelling of 111020112102 in words is "one hundred eleven billion, twenty million, one hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 18503352017 37006704034 55510056051 111020112102