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2220221111191 is a prime number
BaseRepresentation
bin100000010011101111011…
…111011001101110010111
321212020210000201102020121
4200103233133121232113
5242334003101024231
64415542215412411
7316256102031016
oct40235737315627
97766700642217
102220221111191
11786654a33126
122ba363684107
1313149acc75a5
1479660372a7d
153cb467e7311
hex204ef7d9b97

2220221111191 has 2 divisors, whose sum is σ = 2220221111192. Its totient is φ = 2220221111190.

The previous prime is 2220221111183. The next prime is 2220221111219. The reversal of 2220221111191 is 1911111220222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220221111191 - 23 = 2220221111183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220221111291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110110555595 + 1110110555596.

It is an arithmetic number, because the mean of its divisors is an integer number (1110110555596).

Almost surely, 22220221111191 is an apocalyptic number.

2220221111191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220221111191 is an equidigital number, since it uses as much as digits as its factorization.

2220221111191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 2220221111191 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred eleven thousand, one hundred ninety-one".