Search a number
-
+
222112212111011 = 1817615716113283
BaseRepresentation
bin110010100000001010000111…
…100000001100111010100011
31002010102201102221211021101202
4302200022013200030322203
5213103041302300023021
62104220535215351415
764533035450135255
oct6240120740147243
91063381387737352
10222112212111011
1164854295312aa2
1220ab2a0252256b
1396c21266b5bb1
143cbc407625cd5
151aa29ad30aa0b
hexca028780cea3

222112212111011 has 8 divisors (see below), whose sum is σ = 223342297882704. Its totient is φ = 220882158718560.

The previous prime is 222112212110983. The next prime is 222112212111037. The reversal of 222112212111011 is 110111212211222.

It is a happy number.

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 222112212111011 - 218 = 222112211848867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222112212111061) 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, 5727776 + ... + 21841058.

It is an arithmetic number, because the mean of its divisors is an integer number (27917787235338).

Almost surely, 2222112212111011 is an apocalyptic number.

222112212111011 is a deficient number, since it is larger than the sum of its proper divisors (1230085771693).

222112212111011 is a wasteful number, since it uses less digits than its factorization.

222112212111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16189621.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 222112212111011 its reverse (110111212211222), we get a palindrome (332223424322233).

The spelling of 222112212111011 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twelve million, one hundred eleven thousand, eleven".

Divisors: 1 181 76157 13784417 16113283 2916504223 1227139293431 222112212111011