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2020221101111 is a prime number
BaseRepresentation
bin11101011001011110100…
…011111010010000110111
321011010112200102012220212
4131121132203322100313
5231044403100213421
64144024325220035
7265645651012433
oct35313643722067
97133480365825
102020221101111
117098531653a4
12287647b6161b
131186769a3965
146daca28b9c3
153783d36ee5b
hex1d65e8fa437

2020221101111 has 2 divisors, whose sum is σ = 2020221101112. Its totient is φ = 2020221101110.

The previous prime is 2020221101077. The next prime is 2020221101141. The reversal of 2020221101111 is 1111011220202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2020221101111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020221101141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010110550555 + 1010110550556.

It is an arithmetic number, because the mean of its divisors is an integer number (1010110550556).

Almost surely, 22020221101111 is an apocalyptic number.

2020221101111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020221101111 is an equidigital number, since it uses as much as digits as its factorization.

2020221101111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2020221101111 its reverse (1111011220202), we get a palindrome (3131232321313).

The spelling of 2020221101111 in words is "two trillion, twenty billion, two hundred twenty-one million, one hundred one thousand, one hundred eleven".