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1222102020211 is a prime number
BaseRepresentation
bin10001110010001010111…
…101001111000001110011
311022211110101120001212121
4101302022331033001303
5130010331104121321
62333231555335111
7154202553526522
oct21621275170163
94284411501777
101222102020211
11431321803aa6
12178a275b1497
138b322609b87
1443215a644b9
1521bca26c441
hex11c8af4f073

1222102020211 has 2 divisors, whose sum is σ = 1222102020212. Its totient is φ = 1222102020210.

The previous prime is 1222102020187. The next prime is 1222102020283. The reversal of 1222102020211 is 1120202012221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222102020211 - 25 = 1222102020179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222102020611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611051010105 + 611051010106.

It is an arithmetic number, because the mean of its divisors is an integer number (611051010106).

Almost surely, 21222102020211 is an apocalyptic number.

1222102020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222102020211 is an equidigital number, since it uses as much as digits as its factorization.

1222102020211 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1222102020211 its reverse (1120202012221), we get a palindrome (2342304032432).

The spelling of 1222102020211 in words is "one trillion, two hundred twenty-two billion, one hundred two million, twenty thousand, two hundred eleven".