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2222021121211 = 8235189520313
BaseRepresentation
bin100000010101011010110…
…001111001010010111011
321212102102110202101210101
4200111122301321102323
5242401144401334321
64420441000100231
7316351516616443
oct40253261712273
97772373671711
102222021121211
11787398aa4311
122ba786464677
131316c6bbc088
147979144d123
153cbee853791
hex2055ac794bb

2222021121211 has 8 divisors (see below), whose sum is σ = 2225154039840. Its totient is φ = 2218889255232.

The previous prime is 2222021121167. The next prime is 2222021121247. The reversal of 2222021121211 is 1121211202222.

2222021121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2222021121211 - 213 = 2222021113019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222021125211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4010391 + ... + 4530703.

It is an arithmetic number, because the mean of its divisors is an integer number (278144254980).

Almost surely, 22222021121211 is an apocalyptic number.

2222021121211 is a deficient number, since it is larger than the sum of its proper divisors (3132918629).

2222021121211 is an equidigital number, since it uses as much as digits as its factorization.

2222021121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526325.

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

Adding to 2222021121211 its reverse (1121211202222), we get a palindrome (3343232323433).

The spelling of 2222021121211 in words is "two trillion, two hundred twenty-two billion, twenty-one million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 823 5189 520313 4270547 428217599 2699904157 2222021121211