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11112210212210 = 252921321309181
BaseRepresentation
bin1010000110110100001101…
…0101111010010101110010
31110100022120000222001211222
42201231003111322111302
52424030301303242320
635344513501505042
72224554633225212
oct241550325722562
943308500861758
1011112210212210
1135a4730a74188
1212b5754872182
13627b527b9923
142a5b960d4242
151440c2839825
hexa1b4357a572

11112210212210 has 24 divisors (see below), whose sum is σ = 20715485355396. Its totient is φ = 4291612216640.

The previous prime is 11112210212203. The next prime is 11112210212249. The reversal of 11112210212210 is 1221201221111.

11112210212210 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 6 ways, for example, as 7990136782489 + 3122073429721 = 2826683^2 + 1766939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660646181 + ... + 660663000.

Almost surely, 211112210212210 is an apocalyptic number.

11112210212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112210212210 is a deficient number, since it is larger than the sum of its proper divisors (9603275143186).

11112210212210 is a wasteful number, since it uses less digits than its factorization.

11112210212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321309246 (or 1321309217 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11112210212210 its reverse (1221201221111), we get a palindrome (12333411433321).

The spelling of 11112210212210 in words is "eleven trillion, one hundred twelve billion, two hundred ten million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 29 58 145 290 841 1682 4205 8410 1321309181 2642618362 6606545905 13213091810 38317966249 76635932498 191589831245 383179662490 1111221021221 2222442042442 5556105106105 11112210212210