Search a number
-
+
112220222201 = 694811615121
BaseRepresentation
bin110100010000011011…
…0001011001011111001
3101201122211010221122222
41220200312023023321
53314311334102301
6123315300453425
711051631102323
oct1504066131371
9351584127588
10112220222201
114365743199a
12198ba3aa275
13a77548bb59
145608006613
152dbbeab31b
hex1a20d8b2f9

112220222201 has 4 divisors (see below), whose sum is σ = 112221906804. Its totient is φ = 112218537600.

The previous prime is 112220222159. The next prime is 112220222221. The reversal of 112220222201 is 102222022211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102222022211 = 145637019297.

It can be written as a sum of positive squares in 2 ways, for example, as 32257956025 + 79962266176 = 179605^2 + 282776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112220222201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112220222201.

It is not an unprimeable number, because it can be changed into a prime (112220222221) 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, 738080 + ... + 877041.

It is an arithmetic number, because the mean of its divisors is an integer number (28055476701).

Almost surely, 2112220222201 is an apocalyptic number.

It is an amenable number.

112220222201 is a deficient number, since it is larger than the sum of its proper divisors (1684603).

112220222201 is an equidigital number, since it uses as much as digits as its factorization.

112220222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684602.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 112220222201 its reverse (102222022211), we get a palindrome (214442244412).

The spelling of 112220222201 in words is "one hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 69481 1615121 112220222201