Search a number
-
+
112020122221121 = 127987584145599
BaseRepresentation
bin11001011110000110110111…
…100101111011101001000001
3112200122000111220220101012002
4121132012313211323221001
5104140314202242033441
61034125200025513345
732411121025213412
oct3136066745735101
9480560456811162
10112020122221121
11327695156a9594
1210692300342855
134a675b563433a
141d93b3500d809
15ce3d7904eb9b
hex65e1b797ba41

112020122221121 has 4 divisors (see below), whose sum is σ = 112107706368000. Its totient is φ = 111932538074244.

The previous prime is 112020122221093. The next prime is 112020122221123. The reversal of 112020122221121 is 121122221020211.

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 112020122221121 - 26 = 112020122221057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112020122221093 and 112020122221102.

It is not an unprimeable number, because it can be changed into a prime (112020122221123) 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, 43792071521 + ... + 43792074078.

It is an arithmetic number, because the mean of its divisors is an integer number (28026926592000).

Almost surely, 2112020122221121 is an apocalyptic number.

It is an amenable number.

112020122221121 is a deficient number, since it is larger than the sum of its proper divisors (87584146879).

112020122221121 is an equidigital number, since it uses as much as digits as its factorization.

112020122221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87584146878.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112020122221121 its reverse (121122221020211), we get a palindrome (233142343241332).

The spelling of 112020122221121 in words is "one hundred twelve trillion, twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 1279 87584145599 112020122221121