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2122012102201 = 8923842832609
BaseRepresentation
bin11110111000010001110…
…001110000111000111001
321111212021200010211210021
4132320101301300320321
5234231340044232301
64302501111450441
7306211303155445
oct36702161607071
97455250124707
102122012102201
11748a38569092
122a3315686a21
13125149572454
14749c5121825
153a2e99368a1
hex1ee11c70e39

2122012102201 has 4 divisors (see below), whose sum is σ = 2145854934900. Its totient is φ = 2098169269504.

The previous prime is 2122012102159. The next prime is 2122012102283. The reversal of 2122012102201 is 1022012102212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 740117810601 + 1381894291600 = 860301^2 + 1175540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122012102201 - 217 = 2122011971129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122012102501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11921416216 + ... + 11921416393.

It is an arithmetic number, because the mean of its divisors is an integer number (536463733725).

Almost surely, 22122012102201 is an apocalyptic number.

It is an amenable number.

2122012102201 is a deficient number, since it is larger than the sum of its proper divisors (23842832699).

2122012102201 is an equidigital number, since it uses as much as digits as its factorization.

2122012102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23842832698.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122012102201 its reverse (1022012102212), we get a palindrome (3144024204413).

The spelling of 2122012102201 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred two thousand, two hundred one".

Divisors: 1 89 23842832609 2122012102201