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2020101222111 = 371997199924097
BaseRepresentation
bin11101011001010111011…
…010100110111011011111
321011010020022211201211220
4131121113122212323133
5231044131403101421
64144004403544423
7265642664034120
oct35312732467337
97133208751756
102020101222111
117097a1526545
1228761398b113
13118657bbcb3b
146dab83a4047
1537832a903c6
hex1d6576a6edf

2020101222111 has 32 divisors (see below), whose sum is σ = 3081459456000. Its totient is φ = 1153140489216.

The previous prime is 2020101222043. The next prime is 2020101222133. The reversal of 2020101222111 is 1112221010202.

It is not a de Polignac number, because 2020101222111 - 29 = 2020101221599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020101221111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83820015 + ... + 83844111.

It is an arithmetic number, because the mean of its divisors is an integer number (96295608000).

Almost surely, 22020101222111 is an apocalyptic number.

2020101222111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2020101222111 is a deficient number, since it is larger than the sum of its proper divisors (1061358233889).

2020101222111 is a wasteful number, since it uses less digits than its factorization.

2020101222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28103.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2020101222111 its reverse (1112221010202), we get a palindrome (3132322232313).

The spelling of 2020101222111 in words is "two trillion, twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred eleven".

Divisors: 1 3 7 21 1997 1999 5991 5997 13979 13993 24097 41937 41979 72291 168679 506037 3992003 11976009 27944021 48121709 48169903 83832063 144365127 144509709 336851963 337189321 1010555889 1011567963 96195296291 288585888873 673367074037 2020101222111