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102211022220 = 223537277347479
BaseRepresentation
bin101111100110001000…
…0000110110110001100
3100202211021001220112120
41133030100012312030
53133312010202340
6114542144532540
710245612232266
oct1371420066614
9322737056476
10102211022220
113a39050389a
1217986321150
13983b900008
144d3896ab36
1529d33d24d0
hex17cc406d8c

102211022220 has 192 divisors, whose sum is σ = 296454574080. Its totient is φ = 26292722688.

The previous prime is 102211022191. The next prime is 102211022351. The reversal of 102211022220 is 22220112201.

102211022220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 102211022220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213383941 + ... + 213384419.

It is an arithmetic number, because the mean of its divisors is an integer number (1544034240).

Almost surely, 2102211022220 is an apocalyptic number.

102211022220 is a gapful number since it is divisible by the number (10) 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 102211022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148227287040).

102211022220 is an abundant number, since it is smaller than the sum of its proper divisors (194243551860).

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

102211022220 is a wasteful number, since it uses less digits than its factorization.

102211022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102211022220 its reverse (22220112201), we get a palindrome (124431134421).

The spelling of 102211022220 in words is "one hundred two billion, two hundred eleven million, twenty-two thousand, two hundred twenty".