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102122112001 = 7135981187631
BaseRepresentation
bin101111100011011110…
…0111100010000000001
3100202121001202210122111
41133012330330100001
53133121230041001
6114525251135321
710243452425650
oct1370674742001
9322531683574
10102122112001
113a3452a7278
12179605a4541
139826370110
144d2ac25197
1529ca6bd851
hex17c6f3c401

102122112001 has 16 divisors (see below), whose sum is σ = 125710437888. Its totient is φ = 80785972800.

The previous prime is 102122111977. The next prime is 102122112007. The reversal of 102122112001 is 100211221201.

It is not a de Polignac number, because 102122112001 - 27 = 102122111873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (102122112007) 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, 450456 + ... + 638086.

It is an arithmetic number, because the mean of its divisors is an integer number (7856902368).

Almost surely, 2102122112001 is an apocalyptic number.

It is an amenable number.

102122112001 is a deficient number, since it is larger than the sum of its proper divisors (23588325887).

102122112001 is a wasteful number, since it uses less digits than its factorization.

102122112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193632.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102122112001 its reverse (100211221201), we get a palindrome (202333333202).

The spelling of 102122112001 in words is "one hundred two billion, one hundred twenty-two million, one hundred twelve thousand, one".

Divisors: 1 7 13 91 5981 41867 77753 187631 544271 1313417 2439203 17074421 1122221011 7855547077 14588873143 102122112001