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2122220011222 = 21061110005611
BaseRepresentation
bin11110111000011110001…
…010110111111011010110
321111212211011100201100101
4132320132022313323112
5234232301310324342
64302533500004314
7306216406313263
oct36703612677326
97455734321311
102122220011222
11749034963223
122a337323069a
1312518066863c
1474a049a226a
153a30cd043b7
hex1ee1e2b7ed6

2122220011222 has 4 divisors (see below), whose sum is σ = 3183330016836. Its totient is φ = 1061110005610.

The previous prime is 2122220011217. The next prime is 2122220011229. The reversal of 2122220011222 is 2221100222212.

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

It is a super-2 number, since 2×21222200112222 (a number of 25 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 2122220011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122220011229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530555002804 + ... + 530555002807.

It is an arithmetic number, because the mean of its divisors is an integer number (795832504209).

Almost surely, 22122220011222 is an apocalyptic number.

2122220011222 is a deficient number, since it is larger than the sum of its proper divisors (1061110005614).

2122220011222 is a wasteful number, since it uses less digits than its factorization.

2122220011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061110005613.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2122220011222 its reverse (2221100222212), we get a palindrome (4343320233434).

The spelling of 2122220011222 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 1061110005611 2122220011222