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222012212111 = 1915775179901
BaseRepresentation
bin1100111011000011110…
…1011000001110001111
3210020001102010220211122
43032300331120032033
512114140111241421
6245554020111155
722016445444344
oct3166075301617
9706042126748
10222012212111
1186178118a38
123703b5354bb
1317c21858861
14aa617207cb
155b95bb62ab
hex33b0f5838f

222012212111 has 16 divisors (see below), whose sum is σ = 235240625760. Its totient is φ = 208938787200.

The previous prime is 222012212087. The next prime is 222012212117. The reversal of 222012212111 is 111212210222.

It is a cyclic number.

It is not a de Polignac number, because 222012212111 - 222 = 222008017807 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 222012212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012212117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22418261 + ... + 22428161.

It is an arithmetic number, because the mean of its divisors is an integer number (14702539110).

Almost surely, 2222012212111 is an apocalyptic number.

222012212111 is a deficient number, since it is larger than the sum of its proper divisors (13228413649).

222012212111 is a wasteful number, since it uses less digits than its factorization.

222012212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17594.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222012212111 its reverse (111212210222), we get a palindrome (333224422333).

The spelling of 222012212111 in words is "two hundred twenty-two billion, twelve million, two hundred twelve thousand, one hundred eleven".

Divisors: 1 19 157 2983 7517 9901 142823 188119 1180169 1554457 22423211 29534683 74425817 1414090523 11684853269 222012212111