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1220110222222 = 25931028760727
BaseRepresentation
bin10001110000010100001…
…111001000001110001110
311022122022120122020200201
4101300110033020032032
5124442241204102342
62332302204244114
7154102316525353
oct21602417101616
94278276566621
101220110222222
1143049a459761
1217857054063a
138b095a74b98
14430a730262a
1521b10479db7
hex11c143c838e

1220110222222 has 8 divisors (see below), whose sum is σ = 1833251617296. Its totient is φ = 609026349792.

The previous prime is 1220110222169. The next prime is 1220110222223. The reversal of 1220110222222 is 2222220110221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1220110222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220110222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514379178 + ... + 514381549.

It is an arithmetic number, because the mean of its divisors is an integer number (229156452162).

Almost surely, 21220110222222 is an apocalyptic number.

1220110222222 is a deficient number, since it is larger than the sum of its proper divisors (613141395074).

1220110222222 is a wasteful number, since it uses less digits than its factorization.

1220110222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028761322.

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

Adding to 1220110222222 its reverse (2222220110221), we get a palindrome (3442330332443).

The spelling of 1220110222222 in words is "one trillion, two hundred twenty billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 593 1186 1028760727 2057521454 610055111111 1220110222222