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11212142111120 = 245197711430337
BaseRepresentation
bin1010001100101000011110…
…1111110110100110010000
31110200212111110110111222002
42203022013233312212100
52432144431340023440
635502441553133132
72235023222316236
oct243120757664620
943625443414862
1011212142111120
113633051a15995
121310ba385a1a8
136343ba173c62
142aa9560a8956
151469c0ac1115
hexa3287bf6990

11212142111120 has 40 divisors (see below), whose sum is σ = 26200556487864. Its totient is φ = 4462091067392.

The previous prime is 11212142111117. The next prime is 11212142111173. The reversal of 11212142111120 is 2111124121211.

11212142111120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4527890317456 + 6684251793664 = 2127884^2 + 2585392^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11212142111092 and 11212142111101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355699409 + ... + 355730928.

Almost surely, 211212142111120 is an apocalyptic number.

11212142111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212142111120 is an abundant number, since it is smaller than the sum of its proper divisors (14988414376744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212142111120 is a wasteful number, since it uses less digits than its factorization.

11212142111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711430547 (or 711430541 counting only the distinct ones).

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

Adding to 11212142111120 its reverse (2111124121211), we get a palindrome (13323266232331).

The spelling of 11212142111120 in words is "eleven trillion, two hundred twelve billion, one hundred forty-two million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 197 394 788 985 1576 1970 3152 3940 7880 15760 711430337 1422860674 2845721348 3557151685 5691442696 7114303370 11382885392 14228606740 28457213480 56914426960 140151776389 280303552778 560607105556 700758881945 1121214211112 1401517763890 2242428422224 2803035527780 5606071055560 11212142111120