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102221012201 = 7113087143003
BaseRepresentation
bin101111100110011011…
…0001101110011101001
3100202211221212110012212
41133030312031303221
53133322034342301
6114543143014505
710246063160510
oct1371466156351
9322757773185
10102221012201
113a396107480
121798973a435
1398409ba149
144d3a00b677
1529d42074bb
hex17ccd8dce9

102221012201 has 16 divisors (see below), whose sum is σ = 127451470848. Its totient is φ = 79648304400.

The previous prime is 102221012161. The next prime is 102221012203. The reversal of 102221012201 is 102210122201.

It is not a de Polignac number, because 102221012201 - 222 = 102216817897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221012203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2355566 + ... + 2398568.

It is an arithmetic number, because the mean of its divisors is an integer number (7965716928).

Almost surely, 2102221012201 is an apocalyptic number.

102221012201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102221012201 is a deficient number, since it is larger than the sum of its proper divisors (25230458647).

102221012201 is a wasteful number, since it uses less digits than its factorization.

102221012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73892.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102221012201 its reverse (102210122201), we get a palindrome (204431134402).

Subtracting from 102221012201 its reverse (102210122201), we obtain a square (10890000 = 33002).

The spelling of 102221012201 in words is "one hundred two billion, two hundred twenty-one million, twelve thousand, two hundred one".

Divisors: 1 7 11 77 30871 43003 216097 301021 339581 473033 2377067 3311231 1327545613 9292819291 14603001743 102221012201