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2111012122069 is a prime number
BaseRepresentation
bin11110101110000010001…
…000001010110111010101
321110210220001201221210201
4132232002020022313111
5234041323100401234
64253441404020501
7305341563654514
oct36560210126725
97423801657721
102111012122069
11744303344214
122a1165831731
131240b5653b76
147426025867b
1539da3d9d314
hex1eb8220add5

2111012122069 has 2 divisors, whose sum is σ = 2111012122070. Its totient is φ = 2111012122068.

The previous prime is 2111012122061. The next prime is 2111012122081. The reversal of 2111012122069 is 9602212101112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1466944880625 + 644067241444 = 1211175^2 + 802538^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111012122069 - 23 = 2111012122061 is a prime.

It is a super-3 number, since 3×21110121220693 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111012122061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055506061034 + 1055506061035.

It is an arithmetic number, because the mean of its divisors is an integer number (1055506061035).

Almost surely, 22111012122069 is an apocalyptic number.

It is an amenable number.

2111012122069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111012122069 is an equidigital number, since it uses as much as digits as its factorization.

2111012122069 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 28.

The spelling of 2111012122069 in words is "two trillion, one hundred eleven billion, twelve million, one hundred twenty-two thousand, sixty-nine".