Search a number
-
+
2222112220111 = 71731834939901
BaseRepresentation
bin100000010101100000001…
…101011010001111001111
321212102122211011200222201
4200111200031122033033
5242401341212020421
64420454012422331
7316354004140060
oct40254015321717
97772584150881
102222112220111
11787435466263
122ba7b0a779a7
1313170ca37254
147979d5a4567
153cc0784ab91
hex2056035a3cf

2222112220111 has 8 divisors (see below), whose sum is σ = 2554236343584. Its totient is φ = 1893657976800.

The previous prime is 2222112220057. The next prime is 2222112220127. The reversal of 2222112220111 is 1110222112222.

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 2222112220111 - 29 = 2222112219599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222112220151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917468740 + ... + 917471161.

It is an arithmetic number, because the mean of its divisors is an integer number (319279542948).

Almost surely, 22222112220111 is an apocalyptic number.

2222112220111 is a deficient number, since it is larger than the sum of its proper divisors (332124123473).

2222112220111 is a wasteful number, since it uses less digits than its factorization.

2222112220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834940081.

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

Adding to 2222112220111 its reverse (1110222112222), we get a palindrome (3332334332333).

The spelling of 2222112220111 in words is "two trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty thousand, one hundred eleven".

Divisors: 1 7 173 1211 1834939901 12844579307 317444602873 2222112220111