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121883011 is a prime number
BaseRepresentation
bin1110100001111…
…00100110000011
322111100022001121
413100330212003
5222200224021
620032213111
73006663025
oct720744603
9274308047
10121883011
1162888568
123499a197
131c336033
141228a015
15aa78741
hex743c983

121883011 has 2 divisors, whose sum is σ = 121883012. Its totient is φ = 121883010.

The previous prime is 121882997. The next prime is 121883023. The reversal of 121883011 is 110388121.

It is a strong prime.

It is an emirp because it is prime and its reverse (110388121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121883011 - 29 = 121882499 is a prime.

It is a super-2 number, since 2×1218830112 = 29710936740852242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121883051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60941505 + 60941506.

It is an arithmetic number, because the mean of its divisors is an integer number (60941506).

Almost surely, 2121883011 is an apocalyptic number.

121883011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121883011 is an equidigital number, since it uses as much as digits as its factorization.

121883011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 121883011 is about 11040.0639038006. The cubic root of 121883011 is about 495.8089835809.

The spelling of 121883011 in words is "one hundred twenty-one million, eight hundred eighty-three thousand, eleven".