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2211010010220 = 223511411014311877
BaseRepresentation
bin100000001011001010011…
…101110101110001101100
321211101000002102000010210
4200023022131311301230
5242211122030311340
64411420213502420
7315511613666154
oct40131235656154
97741002360123
102211010010220
11782758567690
122b8612941a10
131306608a429b
1479028cc9764
153c7a7d1c180
hex202ca775c6c

2211010010220 has 384 divisors, whose sum is σ = 7006793601024. Its totient is φ = 516275200000.

The previous prime is 2211010010219. The next prime is 2211010010281. The reversal of 2211010010220 is 220100101122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2211010010196 and 2211010010205.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1177947922 + ... + 1177949798.

It is an arithmetic number, because the mean of its divisors is an integer number (18246858336).

Almost surely, 22211010010220 is an apocalyptic number.

2211010010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211010010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3503396800512).

2211010010220 is an abundant number, since it is smaller than the sum of its proper divisors (4795783590804).

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

2211010010220 is a wasteful number, since it uses less digits than its factorization.

2211010010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2211010010220 its reverse (220100101122), we get a palindrome (2431110111342).

The spelling of 2211010010220 in words is "two trillion, two hundred eleven billion, ten million, ten thousand, two hundred twenty".