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102102210001 = 11174283127481
BaseRepresentation
bin101111100010111000…
…1000001010111010001
3100202112200022200020101
41133011301001113101
53133101131210001
6114523300412401
710243121315431
oct1370561012721
9322480280211
10102102210001
113a335043640
12179559a7101
1398221c249c
144d283242c1
1529c8a8ba01
hex17c5c415d1

102102210001 has 16 divisors (see below), whose sum is σ = 117964703808. Its totient is φ = 87339097600.

The previous prime is 102102209971. The next prime is 102102210017. The reversal of 102102210001 is 100012201201.

It is a cyclic number.

It is not a de Polignac number, because 102102210001 - 229 = 101565339089 is a prime.

It is a super-2 number, since 2×1021022100012 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102102210001.

It is not an unprimeable number, because it can be changed into a prime (102102210031) 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, 737181 + ... + 864661.

It is an arithmetic number, because the mean of its divisors is an integer number (7372793988).

Almost surely, 2102102210001 is an apocalyptic number.

102102210001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102102210001 is a deficient number, since it is larger than the sum of its proper divisors (15862493807).

102102210001 is a wasteful number, since it uses less digits than its factorization.

102102210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131792.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102102210001 its reverse (100012201201), we get a palindrome (202114411202).

The spelling of 102102210001 in words is "one hundred two billion, one hundred two million, two hundred ten thousand, one".

Divisors: 1 11 17 187 4283 47113 72811 127481 800921 1402291 2167177 23838947 546001123 6006012353 9282019091 102102210001