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1222100100211 is a prime number
BaseRepresentation
bin10001110010001010110…
…101111010010001110011
311022211110020221112010111
4101302022311322101303
5130010330111201321
62333231450242151
7154202531312044
oct21621265722163
94284406845114
101222100100211
11431320712521
12178a26a26357
138b3220b6c93
14432156c48cb
1521bc9edd5e1
hex11c8ad7a473

1222100100211 has 2 divisors, whose sum is σ = 1222100100212. Its totient is φ = 1222100100210.

The previous prime is 1222100100191. The next prime is 1222100100259. The reversal of 1222100100211 is 1120010012221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222100100211 - 225 = 1222066545779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222100100191 and 1222100100200.

It is not a weakly prime, because it can be changed into another prime (1222100106211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611050050105 + 611050050106.

It is an arithmetic number, because the mean of its divisors is an integer number (611050050106).

Almost surely, 21222100100211 is an apocalyptic number.

1222100100211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222100100211 is an equidigital number, since it uses as much as digits as its factorization.

1222100100211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1222100100211 its reverse (1120010012221), we get a palindrome (2342110112432).

The spelling of 1222100100211 in words is "one trillion, two hundred twenty-two billion, one hundred million, one hundred thousand, two hundred eleven".