Search a number
-
+
112100021112221 = 211698597605029
BaseRepresentation
bin11001011111010001010001…
…111100000000110110011101
3112200220122202012202120211222
4121133101101330000312131
5104143121320401042341
61034230012212223125
732416650011454032
oct3137212174006635
9480818665676758
10112100021112221
113279a396526a9a
12106a589a30aaa5
134a71ca98279ac
141d97954589389
15ce5ea36ea44b
hex65f451f00d9d

112100021112221 has 8 divisors (see below), whose sum is σ = 112632927909600. Its totient is φ = 111567129665040.

The previous prime is 112100021112193. The next prime is 112100021112227. The reversal of 112100021112221 is 122211120001211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112100021112221 - 214 = 112100021095837 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 112100021112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100021112227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10937735 + ... + 18542763.

It is an arithmetic number, because the mean of its divisors is an integer number (14079115988700).

Almost surely, 2112100021112221 is an apocalyptic number.

It is an amenable number.

112100021112221 is a deficient number, since it is larger than the sum of its proper divisors (532906797379).

112100021112221 is an equidigital number, since it uses as much as digits as its factorization.

112100021112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675099.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112100021112221 its reverse (122211120001211), we get a palindrome (234311141113432).

The spelling of 112100021112221 in words is "one hundred twelve trillion, one hundred billion, twenty-one million, one hundred twelve thousand, two hundred twenty-one".

Divisors: 1 211 69859 7605029 14740249 1604661119 531279720911 112100021112221