Search a number
-
+
112221211121101 = 827792313556687
BaseRepresentation
bin11001100001000010001001…
…011011001101010111001101
3112201100020120011010220122101
4121201002021123031113031
5104202113020021333401
61034401413534515101
732431500140523055
oct3141021133152715
9481306504126571
10112221211121101
1132836826093425
1210705280665a91
134a80551418a14
141d9d76d980565
15ce91e7db6101
hex6610896cd5cd

112221211121101 has 4 divisors (see below), whose sum is σ = 112221232955712. Its totient is φ = 112221189286492.

The previous prime is 112221211121093. The next prime is 112221211121183. The reversal of 112221211121101 is 101121112122211.

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 112221211121101 - 23 = 112221211121093 is a prime.

It is a super-2 number, since 2×1122212111211012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221211121191) 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, 1499580 + ... + 15056266.

It is an arithmetic number, because the mean of its divisors is an integer number (28055308238928).

Almost surely, 2112221211121101 is an apocalyptic number.

It is an amenable number.

112221211121101 is a deficient number, since it is larger than the sum of its proper divisors (21834611).

112221211121101 is an equidigital number, since it uses as much as digits as its factorization.

112221211121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21834610.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112221211121101 its reverse (101121112122211), we get a palindrome (213342323243312).

The spelling of 112221211121101 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred eleven million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 8277923 13556687 112221211121101