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2222112112111 = 17145389960411
BaseRepresentation
bin100000010101100000001…
…100111111110111101111
321212102122210222012211201
4200111200030333313233
5242401341200041421
64420454010230331
7316354003210153
oct40254014776757
97772583865751
102222112112111
117874353a2101
122ba7b0a253a7
1313170c9ca048
147979d577063
153cc07828b91
hex2056033fdef

2222112112111 has 8 divisors (see below), whose sum is σ = 2354443902864. Its totient is φ = 2089960245120.

The previous prime is 2222112112049. The next prime is 2222112112117. The reversal of 2222112112111 is 1112112112222.

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 2222112112111 - 221 = 2222110014959 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 (2222112112117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44955505 + ... + 45004906.

It is an arithmetic number, because the mean of its divisors is an integer number (294305487858).

Almost surely, 22222112112111 is an apocalyptic number.

2222112112111 is a deficient number, since it is larger than the sum of its proper divisors (132331790753).

2222112112111 is a wasteful number, since it uses less digits than its factorization.

2222112112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89961881.

The product of its digits is 64, while the sum is 19.

Adding to 2222112112111 its reverse (1112112112222), we get a palindrome (3334224224333).

The spelling of 2222112112111 in words is "two trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 17 1453 24701 89960411 1529326987 130712477183 2222112112111