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101223109111 is a prime number
BaseRepresentation
bin101111001000101011…
…1100001000111110111
3100200021102010201112011
41132101113201013313
53124301103442421
6114300134305051
710212255142165
oct1362127410767
9320242121464
10101223109111
1139a23896083
121774b4b8187
139712035547
144c83688235
1529767dc4e1
hex17915e11f7

101223109111 has 2 divisors, whose sum is σ = 101223109112. Its totient is φ = 101223109110.

The previous prime is 101223109087. The next prime is 101223109123. The reversal of 101223109111 is 111901322101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101223109111 - 215 = 101223076343 is a prime.

It is a super-2 number, since 2×1012231091112 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101223109171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611554555 + 50611554556.

It is an arithmetic number, because the mean of its divisors is an integer number (50611554556).

Almost surely, 2101223109111 is an apocalyptic number.

101223109111 is a deficient number, since it is larger than the sum of its proper divisors (1).

101223109111 is an equidigital number, since it uses as much as digits as its factorization.

101223109111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 101223109111 in words is "one hundred one billion, two hundred twenty-three million, one hundred nine thousand, one hundred eleven".