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10212211222100 = 2252102122112221
BaseRepresentation
bin1001010010011011011100…
…1110001110011001010100
31100011021111120002021220222
42110212313032032121110
52314304102033101400
633415231452013512
72102544054102026
oct224466716163124
940137446067828
1010212211222100
113287a7a004108
12118b240a61298
135910132c53b4
142743b8cd2016
1512a99a45c185
hex949b738e654

10212211222100 has 18 divisors (see below), whose sum is σ = 22160498352174. Its totient is φ = 4084884488800.

The previous prime is 10212211222027. The next prime is 10212211222177. The reversal of 10212211222100 is 122211221201.

10212211222100 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 3 ways, for example, as 575483063236 + 9636728158864 = 758606^2 + 3104308^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51061056011 + ... + 51061056210.

It is an arithmetic number, because the mean of its divisors is an integer number (1231138797343).

Almost surely, 210212211222100 is an apocalyptic number.

10212211222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212211222100 is an abundant number, since it is smaller than the sum of its proper divisors (11948287130074).

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

10212211222100 is a wasteful number, since it uses less digits than its factorization.

10212211222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102122112235 (or 102122112228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10212211222100 its reverse (122211221201), we get a palindrome (10334422443301).

The spelling of 10212211222100 in words is "ten trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 102122112221 204244224442 408488448884 510610561105 1021221122210 2042442244420 2553052805525 5106105611050 10212211222100