Search a number
-
+
220112201011201 = 281783317441321
BaseRepresentation
bin110010000011000011011101…
…100011010101000000000001
31001212100112001202002111100121
4302003003131203111000001
5212322304241424324301
62100050052120420241
764235403351240232
oct6203033543250001
91055315052074317
10220112201011201
1164153073180814
122082b276917681
1395a8650a664b5
143c4d6b74c7089
151a6a9543893a1
hexc830dd8d5001

220112201011201 has 4 divisors (see below), whose sum is σ = 220895518452804. Its totient is φ = 219328883569600.

The previous prime is 220112201011147. The next prime is 220112201011223. The reversal of 220112201011201 is 102110102211022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 181401704417025 + 38710496594176 = 13468545^2 + 6221776^2 .

It is a cyclic number.

It is not a de Polignac number, because 220112201011201 - 215 = 220112200978433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220112201011501) 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, 391658720380 + ... + 391658720941.

It is an arithmetic number, because the mean of its divisors is an integer number (55223879613201).

Almost surely, 2220112201011201 is an apocalyptic number.

It is an amenable number.

220112201011201 is a deficient number, since it is larger than the sum of its proper divisors (783317441603).

220112201011201 is an equidigital number, since it uses as much as digits as its factorization.

220112201011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783317441602.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220112201011201 its reverse (102110102211022), we get a palindrome (322222303222223).

The spelling of 220112201011201 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred one million, eleven thousand, two hundred one".

Divisors: 1 281 783317441321 220112201011201