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112121110001111 = 5910140948794463
BaseRepresentation
bin11001011111100100111010…
…111011101111010111010111
3112200222200011221020010211212
4121133210322323233113113
5104143443013130013421
61034243421000252035
732421324425166101
oct3137447273572727
9480880157203755
10112121110001111
11327a8328671392
12106a99a4a7101b
134a73c8a992a83
141d9899531a571
15ce67d9d54e5b
hex65f93aeef5d7

112121110001111 has 32 divisors (see below), whose sum is σ = 115670185574400. Its totient is φ = 108637950124800.

The previous prime is 112121110001101. The next prime is 112121110001113. The reversal of 112121110001111 is 111100011121211.

It is a cyclic number.

It is not a de Polignac number, because 112121110001111 - 222 = 112121105806807 is a prime.

It is a super-2 number, since 2×1121211100011112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121110001113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1186884266 + ... + 1186978728.

It is an arithmetic number, because the mean of its divisors is an integer number (3614693299200).

Almost surely, 2112121110001111 is an apocalyptic number.

112121110001111 is a deficient number, since it is larger than the sum of its proper divisors (3549075573289).

112121110001111 is a wasteful number, since it uses less digits than its factorization.

112121110001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95519.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 112121110001111 its reverse (111100011121211), we get a palindrome (223221121122322).

The spelling of 112121110001111 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred ten million, one thousand, one hundred eleven".

Divisors: 1 59 101 409 487 5959 24131 28733 41309 49187 94463 199183 2437231 2902033 5573317 9540763 11751797 20117483 38635367 46003481 562905017 1186931497 2279486653 2714205379 3902172067 4646351581 18815423729 230228151953 274134743279 1110110000011 1900357796629 112121110001111