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11112210212212 = 22234012789107999
BaseRepresentation
bin1010000110110100001101…
…0101111010010101110100
31110100022120000222001212001
42201231003111322111310
52424030301303242322
635344513501505044
72224554633225214
oct241550325722564
943308500861761
1011112210212212
1135a4730a7418a
1212b5754872184
13627b527b9925
142a5b960d4244
151440c2839827
hexa1b4357a574

11112210212212 has 48 divisors (see below), whose sum is σ = 20349947520000. Its totient is φ = 5299332262400.

The previous prime is 11112210212203. The next prime is 11112210212249. The reversal of 11112210212212 is 21221201221111.

It is a happy number.

11112210212212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11112210212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102837789 + ... + 102945787.

It is an arithmetic number, because the mean of its divisors is an integer number (423957240000).

Almost surely, 211112210212212 is an apocalyptic number.

It is an amenable number.

11112210212212 is a deficient number, since it is larger than the sum of its proper divisors (9237737307788).

11112210212212 is a wasteful number, since it uses less digits than its factorization.

11112210212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111216 (or 111214 counting only the distinct ones).

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

Adding to 11112210212212 its reverse (21221201221111), we get a palindrome (32333411433323).

The spelling of 11112210212212 in words is "eleven trillion, one hundred twelve billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 401 802 1604 2789 5578 9223 11156 18446 36892 64147 107999 128294 215998 256588 431996 1118389 2236778 2483977 4473556 4967954 9935908 25722947 43307599 51445894 86615198 102891788 173230396 301209211 602418422 996074777 1204836844 1992149554 3984299108 6927811853 13855623706 27711247412 120784893611 241569787222 483139574444 2778052553053 5556105106106 11112210212212