Search a number
-
+
112111122101 = 1110191920191
BaseRepresentation
bin110100001101001010…
…1111111011010110101
3101201101012212002110112
41220122111333122311
53314100421401401
6123300402232405
711046134546246
oct1503225773265
9351335762415
10112111122101
1143600895420
1219889955705
13a7589b0294
1455d7726ccd
152db260a3bb
hex1a1a57f6b5

112111122101 has 4 divisors (see below), whose sum is σ = 122303042304. Its totient is φ = 101919201900.

The previous prime is 112111122091. The next prime is 112111122131. The reversal of 112111122101 is 101221111211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112111122101 - 210 = 112111121077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111122131) 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, 5095960085 + ... + 5095960106.

It is an arithmetic number, because the mean of its divisors is an integer number (30575760576).

Almost surely, 2112111122101 is an apocalyptic number.

112111122101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112111122101 is a deficient number, since it is larger than the sum of its proper divisors (10191920203).

112111122101 is a wasteful number, since it uses less digits than its factorization.

112111122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191920202.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112111122101 its reverse (101221111211), we get a palindrome (213332233312).

The spelling of 112111122101 in words is "one hundred twelve billion, one hundred eleven million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 11 10191920191 112111122101