Search a number
-
+
2122222112011 = 26326821300857
BaseRepresentation
bin11110111000011110010…
…010111000110100001011
321111212211022022110002101
4132320132102320310023
5234232302330041021
64302534013014231
7306216433213111
oct36703622706413
97455738273071
102122222112011
11749036068611
122a3373a84377
13125180c22901
1474a04d8bab1
153a30d0bba91
hex1ee1e4b8d0b

2122222112011 has 8 divisors (see below), whose sum is σ = 2130377904864. Its totient is φ = 2114066975040.

The previous prime is 2122222111981. The next prime is 2122222112039. The reversal of 2122222112011 is 1102112222212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2122222112011 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 2122222112011.

It is not an unprimeable number, because it can be changed into a prime (2122222115011) 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, 6903495 + ... + 7204351.

It is an arithmetic number, because the mean of its divisors is an integer number (266297238108).

Almost surely, 22122222112011 is an apocalyptic number.

2122222112011 is a deficient number, since it is larger than the sum of its proper divisors (8155792853).

2122222112011 is a wasteful number, since it uses less digits than its factorization.

2122222112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327941.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2122222112011 its reverse (1102112222212), we get a palindrome (3224334334223).

The spelling of 2122222112011 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twelve thousand, eleven".

Divisors: 1 263 26821 300857 7053923 79125391 8069285597 2122222112011