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102211012211 = 71117710310993
BaseRepresentation
bin101111100110001000…
…0000100011001110011
3100202211021001101210212
41133030100010121303
53133312004342321
6114542144414335
710245612161150
oct1371420043163
9322737041725
10102211012211
113a3904a7320
12179863173ab
13983b8c85a9
144d38967227
1529d33ce55b
hex17cc404673

102211012211 has 32 divisors (see below), whose sum is σ = 134959177728. Its totient is φ = 74942576640.

The previous prime is 102211012129. The next prime is 102211012229. The reversal of 102211012211 is 112210112201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102211012211 is a prime.

It is a super-2 number, since 2×1022110122112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211012231) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9292331 + ... + 9303323.

It is an arithmetic number, because the mean of its divisors is an integer number (4217474304).

Almost surely, 2102211012211 is an apocalyptic number.

102211012211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102211012211 is a deficient number, since it is larger than the sum of its proper divisors (32748165517).

102211012211 is a wasteful number, since it uses less digits than its factorization.

102211012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18131.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102211012211 its reverse (112210112201), we get a palindrome (214421124412).

The spelling of 102211012211 in words is "one hundred two billion, two hundred eleven million, twelve thousand, two hundred eleven".

Divisors: 1 7 11 17 77 119 187 1309 7103 10993 49721 76951 78133 120751 120923 186881 546931 845257 846461 1308167 1328261 2055691 9297827 14389837 78083279 546582953 858916069 1327415743 6012412483 9291910201 14601573173 102211012211