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2111220200069 is a prime number
BaseRepresentation
bin11110101110001110100…
…001111011001010000101
321110211102120021102011022
4132232032201323022011
5234042234332400234
64253514155520525
7305350001415101
oct36561641731205
97424376242138
102111220200069
117443aa844302
122a1203459145
131241197a8c46
147427db40901
1539db72a0e2e
hex1eb8e87b285

2111220200069 has 2 divisors, whose sum is σ = 2111220200070. Its totient is φ = 2111220200068.

The previous prime is 2111220200057. The next prime is 2111220200071. The reversal of 2111220200069 is 9600020221112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849224659044 + 261995541025 = 1359862^2 + 511855^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111220200069 - 240 = 1011708572293 is a prime.

It is a super-2 number, since 2×21112202000692 (a number of 25 digits) contains 22 as substring.

Together with 2111220200071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111220203069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055610100034 + 1055610100035.

It is an arithmetic number, because the mean of its divisors is an integer number (1055610100035).

Almost surely, 22111220200069 is an apocalyptic number.

It is an amenable number.

2111220200069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111220200069 is an equidigital number, since it uses as much as digits as its factorization.

2111220200069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 2111220200069 in words is "two trillion, one hundred eleven billion, two hundred twenty million, two hundred thousand, sixty-nine".