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2122121211022 = 28312783862717
BaseRepresentation
bin11110111000011000010…
…001111110110010001110
321111212120021110010221201
4132320120101332302032
5234232101012223042
64302520010220114
7306214066446121
oct36703021766216
97455507403851
102122121211022
11748a9411116a
122a334612463a
13125166054c97
14749d58043b8
153a3042da1b7
hex1ee1847ec8e

2122121211022 has 8 divisors (see below), whose sum is σ = 3221533404936. Its totient is φ = 1048276742712.

The previous prime is 2122121210987. The next prime is 2122121211029. The reversal of 2122121211022 is 2201121212212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122121211029) 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, 6391931193 + ... + 6391931524.

It is an arithmetic number, because the mean of its divisors is an integer number (402691675617).

Almost surely, 22122121211022 is an apocalyptic number.

2122121211022 is a deficient number, since it is larger than the sum of its proper divisors (1099412193914).

2122121211022 is a wasteful number, since it uses less digits than its factorization.

2122121211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12783862802.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2122121211022 its reverse (2201121212212), we get a palindrome (4323242423234).

The spelling of 2122121211022 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred eleven thousand, twenty-two".

Divisors: 1 2 83 166 12783862717 25567725434 1061060605511 2122121211022