Search a number
-
+
112120110211111 = 971935111535761
BaseRepresentation
bin11001011111100011111111…
…010101110110000000100111
3112200222120121020221112210121
4121133203333111312000213
5104143433441203223421
61034243133443302411
732421260565131332
oct3137437725660047
9480876536845717
10112120110211111
11327a7965281362
12106a976607aa07
134a73b5b7ca362
141d988dc625619
15ce677c1b5d41
hex65f8ff576027

112120110211111 has 4 divisors (see below), whose sum is σ = 112120131466224. Its totient is φ = 112120088956000.

The previous prime is 112120110211099. The next prime is 112120110211133. The reversal of 112120110211111 is 111112011021211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112120110211111 - 233 = 112111520276519 is a prime.

It is a super-2 number, since 2×1121201102111112 (a number of 29 digits) 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 (112120110211171) 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, 3951471 + ... + 15487231.

It is an arithmetic number, because the mean of its divisors is an integer number (28030032866556).

Almost surely, 2112120110211111 is an apocalyptic number.

112120110211111 is a deficient number, since it is larger than the sum of its proper divisors (21255113).

112120110211111 is an equidigital number, since it uses as much as digits as its factorization.

112120110211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21255112.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 112120110211111 its reverse (111112011021211), we get a palindrome (223232121232322).

The spelling of 112120110211111 in words is "one hundred twelve trillion, one hundred twenty billion, one hundred ten million, two hundred eleven thousand, one hundred eleven".

Divisors: 1 9719351 11535761 112120110211111