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11212110202110 = 2353832281742767
BaseRepresentation
bin1010001100101000010111…
…0110001000010011111110
31110200212102020102101000220
42203022011312020103332
52432144400202431420
635502434453202210
72235022354150116
oct243120566102376
943625366371026
1011212110202110
113633035a01204
121310b95030366
136343b368109c
142aa951b60046
151469bcdbb840
hexa3285d884fe

11212110202110 has 64 divisors (see below), whose sum is σ = 26981136433152. Its totient is φ = 2981889115136.

The previous prime is 11212110202109. The next prime is 11212110202133. The reversal of 11212110202110 is 1120201121211.

It is a happy number.

It is a super-2 number, since 2×112121102021102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11212110202110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262145947 + ... + 262188713.

It is an arithmetic number, because the mean of its divisors is an integer number (421580256768).

Almost surely, 211212110202110 is an apocalyptic number.

11212110202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212110202110 is an abundant number, since it is smaller than the sum of its proper divisors (15769026231042).

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

11212110202110 is a wasteful number, since it uses less digits than its factorization.

11212110202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65977.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11212110202110 its reverse (1120201121211), we get a palindrome (12332311323321).

The spelling of 11212110202110 in words is "eleven trillion, two hundred twelve billion, one hundred ten million, two hundred two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 383 766 1149 1915 2298 3830 5745 11490 22817 42767 45634 68451 85534 114085 128301 136902 213835 228170 256602 342255 427670 641505 684510 1283010 8738911 16379761 17477822 26216733 32759522 43694555 49139283 52433466 81898805 87389110 98278566 131083665 163797610 245696415 262167330 491392830 975814639 1951629278 2927443917 4879073195 5854887834 9758146390 14637219585 29274439170 373737006737 747474013474 1121211020211 1868685033685 2242422040422 3737370067370 5606055101055 11212110202110